Home / 87,158.90-130,721.12-23,962.72

Finding the Fourth Proportional to 87,158.90, 130,721.12 and 23,962.72

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Solution

The fourth proportional to 87,158.90, 130,721.12 and 23,962.72 is: 35,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,158.90 : 130,721.12 = 23,962.72 : x
  2. Step 2: Convert to fraction form
    87,158.90/130,721.12 = 23,962.72/x
  3. Step 3: Cross multiply
    87,158.90x = 130,721.12 × 23,962.72
  4. Step 4: Simplify right side
    87,158.90x = 3,132,433,596.65
  5. Step 5: Solve for x
    x = 3,132,433,596.65/87,158.90
  6. Step 6: Final answer
    x = 35,939.34

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1.5x scale

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.