Home / 131,814.38-197,755.29-38,320.13

Finding the Fourth Proportional to 131,814.38, 197,755.29 and 38,320.13

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Solution

The fourth proportional to 131,814.38, 197,755.29 and 38,320.13 is: 57,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,814.38 : 197,755.29 = 38,320.13 : x
  2. Step 2: Convert to fraction form
    131,814.38/197,755.29 = 38,320.13/x
  3. Step 3: Cross multiply
    131,814.38x = 197,755.29 × 38,320.13
  4. Step 4: Simplify right side
    131,814.38x = 7,578,008,420.99
  5. Step 5: Solve for x
    x = 7,578,008,420.99/131,814.38
  6. Step 6: Final answer
    x = 57,490.00

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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.