Home / 131,850.29-197,780.90-38,356.04

Finding the Fourth Proportional to 131,850.29, 197,780.90 and 38,356.04

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Solution

The fourth proportional to 131,850.29, 197,780.90 and 38,356.04 is: 57,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,850.29 : 197,780.90 = 38,356.04 : x
  2. Step 2: Convert to fraction form
    131,850.29/197,780.90 = 38,356.04/x
  3. Step 3: Cross multiply
    131,850.29x = 197,780.90 × 38,356.04
  4. Step 4: Simplify right side
    131,850.29x = 7,586,092,111.64
  5. Step 5: Solve for x
    x = 7,586,092,111.64/131,850.29
  6. Step 6: Final answer
    x = 57,535.65

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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.