Home / 87,167.95-130,759.21-31,038.59

Finding the Fourth Proportional to 87,167.95, 130,759.21 and 31,038.59

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Solution

The fourth proportional to 87,167.95, 130,759.21 and 31,038.59 is: 46,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,167.95 : 130,759.21 = 31,038.59 : x
  2. Step 2: Convert to fraction form
    87,167.95/130,759.21 = 31,038.59/x
  3. Step 3: Cross multiply
    87,167.95x = 130,759.21 × 31,038.59
  4. Step 4: Simplify right side
    87,167.95x = 4,058,581,873.61
  5. Step 5: Solve for x
    x = 4,058,581,873.61/87,167.95
  6. Step 6: Final answer
    x = 46,560.48

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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.