Home / 177,279.76-265,841.68-66,394

Finding the Fourth Proportional to 177,279.76, 265,841.68 and 66,394

Calculator

Solution

The fourth proportional to 177,279.76, 265,841.68 and 66,394 is: 99,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,279.76 : 265,841.68 = 66,394 : x
  2. Step 2: Convert to fraction form
    177,279.76/265,841.68 = 66,394/x
  3. Step 3: Cross multiply
    177,279.76x = 265,841.68 × 66,394
  4. Step 4: Simplify right side
    177,279.76x = 17,650,292,501.92
  5. Step 5: Solve for x
    x = 17,650,292,501.92/177,279.76
  6. Step 6: Final answer
    x = 99,561.80

Related Problems

Find fourth proportional to 88,639.88, 132,920.84 and 33,197
Half scale
Find fourth proportional to 354,559.52, 531,683.36 and 132,788
Double scale
Find fourth proportional to 177,280.76, 265,843.18 and 66,395
Similar ratio
Find fourth proportional to 265,919.64, 398,762.52 and 99,591
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.