Home / 87,440.31-131,160.47-25,110.81

Finding the Fourth Proportional to 87,440.31, 131,160.47 and 25,110.81

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Solution

The fourth proportional to 87,440.31, 131,160.47 and 25,110.81 is: 37,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,440.31 : 131,160.47 = 25,110.81 : x
  2. Step 2: Convert to fraction form
    87,440.31/131,160.47 = 25,110.81/x
  3. Step 3: Cross multiply
    87,440.31x = 131,160.47 × 25,110.81
  4. Step 4: Simplify right side
    87,440.31x = 3,293,545,516.13
  5. Step 5: Solve for x
    x = 3,293,545,516.13/87,440.31
  6. Step 6: Final answer
    x = 37,666.22

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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.