Home / 172,135.28-237,568.92-96,683.78

Finding the Fourth Proportional to 172,135.28, 237,568.92 and 96,683.78

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Solution

The fourth proportional to 172,135.28, 237,568.92 and 96,683.78 is: 133,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,135.28 : 237,568.92 = 96,683.78 : x
  2. Step 2: Convert to fraction form
    172,135.28/237,568.92 = 96,683.78/x
  3. Step 3: Cross multiply
    172,135.28x = 237,568.92 × 96,683.78
  4. Step 4: Simplify right side
    172,135.28x = 22,969,061,196.12
  5. Step 5: Solve for x
    x = 22,969,061,196.12/172,135.28
  6. Step 6: Final answer
    x = 133,436.10

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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.