Home / 89,908.24-124,120-65,682

Finding the Fourth Proportional to 89,908.24, 124,120 and 65,682

Calculator

Solution

The fourth proportional to 89,908.24, 124,120 and 65,682 is: 90,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,908.24 : 124,120 = 65,682 : x
  2. Step 2: Convert to fraction form
    89,908.24/124,120 = 65,682/x
  3. Step 3: Cross multiply
    89,908.24x = 124,120 × 65,682
  4. Step 4: Simplify right side
    89,908.24x = 8,152,449,840
  5. Step 5: Solve for x
    x = 8,152,449,840/89,908.24
  6. Step 6: Final answer
    x = 90,675.22

Related Problems

Find fourth proportional to 44,954.12, 62,060 and 32,841
Half scale
Find fourth proportional to 179,816.48, 248,240 and 131,364
Double scale
Find fourth proportional to 89,909.24, 124,121.38 and 65,683
Similar ratio
Find fourth proportional to 134,862.36, 186,180 and 98,523
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.