Home / 87,156.64-130,751.52-62,134.72

Finding the Fourth Proportional to 87,156.64, 130,751.52 and 62,134.72

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Solution

The fourth proportional to 87,156.64, 130,751.52 and 62,134.72 is: 93,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,156.64 : 130,751.52 = 62,134.72 : x
  2. Step 2: Convert to fraction form
    87,156.64/130,751.52 = 62,134.72/x
  3. Step 3: Cross multiply
    87,156.64x = 130,751.52 × 62,134.72
  4. Step 4: Simplify right side
    87,156.64x = 8,124,209,084.77
  5. Step 5: Solve for x
    x = 8,124,209,084.77/87,156.64
  6. Step 6: Final answer
    x = 93,213.89

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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.