Home / 87,344.64-131,028.48-31,196.16

Finding the Fourth Proportional to 87,344.64, 131,028.48 and 31,196.16

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Solution

The fourth proportional to 87,344.64, 131,028.48 and 31,196.16 is: 46,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,344.64 : 131,028.48 = 31,196.16 : x
  2. Step 2: Convert to fraction form
    87,344.64/131,028.48 = 31,196.16/x
  3. Step 3: Cross multiply
    87,344.64x = 131,028.48 × 31,196.16
  4. Step 4: Simplify right side
    87,344.64x = 4,087,585,426.64
  5. Step 5: Solve for x
    x = 4,087,585,426.64/87,344.64
  6. Step 6: Final answer
    x = 46,798.35

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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.