Home / 438,795-658,192.50-106,371

Finding the Fourth Proportional to 438,795, 658,192.50 and 106,371

Calculator

Solution

The fourth proportional to 438,795, 658,192.50 and 106,371 is: 159,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,795 : 658,192.50 = 106,371 : x
  2. Step 2: Convert to fraction form
    438,795/658,192.50 = 106,371/x
  3. Step 3: Cross multiply
    438,795x = 658,192.50 × 106,371
  4. Step 4: Simplify right side
    438,795x = 70,012,594,417.50
  5. Step 5: Solve for x
    x = 70,012,594,417.50/438,795
  6. Step 6: Final answer
    x = 159,556.50

Related Problems

Find fourth proportional to 219,397.50, 329,096.25 and 53,185.50
Half scale
Find fourth proportional to 877,590, 1,316,385 and 212,742
Double scale
Find fourth proportional to 438,796, 658,194 and 106,372
Similar ratio
Find fourth proportional to 658,192.50, 987,288.75 and 159,556.50
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.