Home / 87,480.81-131,143.08-34,160.38

Finding the Fourth Proportional to 87,480.81, 131,143.08 and 34,160.38

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Solution

The fourth proportional to 87,480.81, 131,143.08 and 34,160.38 is: 51,210.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,480.81 : 131,143.08 = 34,160.38 : x
  2. Step 2: Convert to fraction form
    87,480.81/131,143.08 = 34,160.38/x
  3. Step 3: Cross multiply
    87,480.81x = 131,143.08 × 34,160.38
  4. Step 4: Simplify right side
    87,480.81x = 4,479,897,447.17
  5. Step 5: Solve for x
    x = 4,479,897,447.17/87,480.81
  6. Step 6: Final answer
    x = 51,210.06

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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.