Home / 87,245.88-130,869.34-31,088.17

Finding the Fourth Proportional to 87,245.88, 130,869.34 and 31,088.17

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Solution

The fourth proportional to 87,245.88, 130,869.34 and 31,088.17 is: 46,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,245.88 : 130,869.34 = 31,088.17 : x
  2. Step 2: Convert to fraction form
    87,245.88/130,869.34 = 31,088.17/x
  3. Step 3: Cross multiply
    87,245.88x = 130,869.34 × 31,088.17
  4. Step 4: Simplify right side
    87,245.88x = 4,068,488,375.57
  5. Step 5: Solve for x
    x = 4,068,488,375.57/87,245.88
  6. Step 6: Final answer
    x = 46,632.44

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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.