Home / 87,145.40-130,718.04-24,815.88

Finding the Fourth Proportional to 87,145.40, 130,718.04 and 24,815.88

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Solution

The fourth proportional to 87,145.40, 130,718.04 and 24,815.88 is: 37,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,145.40 : 130,718.04 = 24,815.88 : x
  2. Step 2: Convert to fraction form
    87,145.40/130,718.04 = 24,815.88/x
  3. Step 3: Cross multiply
    87,145.40x = 130,718.04 × 24,815.88
  4. Step 4: Simplify right side
    87,145.40x = 3,243,883,194.48
  5. Step 5: Solve for x
    x = 3,243,883,194.48/87,145.40
  6. Step 6: Final answer
    x = 37,223.80

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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.