Home / 102,373.68-141,192.14-85,957.50

Finding the Fourth Proportional to 102,373.68, 141,192.14 and 85,957.50

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Solution

The fourth proportional to 102,373.68, 141,192.14 and 85,957.50 is: 118,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,373.68 : 141,192.14 = 85,957.50 : x
  2. Step 2: Convert to fraction form
    102,373.68/141,192.14 = 85,957.50/x
  3. Step 3: Cross multiply
    102,373.68x = 141,192.14 × 85,957.50
  4. Step 4: Simplify right side
    102,373.68x = 12,136,523,374.05
  5. Step 5: Solve for x
    x = 12,136,523,374.05/102,373.68
  6. Step 6: Final answer
    x = 118,551.21

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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.