Home / 87,305.26-130,967.55-31,158.46

Finding the Fourth Proportional to 87,305.26, 130,967.55 and 31,158.46

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Solution

The fourth proportional to 87,305.26, 130,967.55 and 31,158.46 is: 46,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,305.26 : 130,967.55 = 31,158.46 : x
  2. Step 2: Convert to fraction form
    87,305.26/130,967.55 = 31,158.46/x
  3. Step 3: Cross multiply
    87,305.26x = 130,967.55 × 31,158.46
  4. Step 4: Simplify right side
    87,305.26x = 4,080,747,167.97
  5. Step 5: Solve for x
    x = 4,080,747,167.97/87,305.26
  6. Step 6: Final answer
    x = 46,741.14

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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.