Home / 87,251.27-130,869.60-34,646.63

Finding the Fourth Proportional to 87,251.27, 130,869.60 and 34,646.63

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Solution

The fourth proportional to 87,251.27, 130,869.60 and 34,646.63 is: 51,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,251.27 : 130,869.60 = 34,646.63 : x
  2. Step 2: Convert to fraction form
    87,251.27/130,869.60 = 34,646.63/x
  3. Step 3: Cross multiply
    87,251.27x = 130,869.60 × 34,646.63
  4. Step 4: Simplify right side
    87,251.27x = 4,534,189,955.10
  5. Step 5: Solve for x
    x = 4,534,189,955.10/87,251.27
  6. Step 6: Final answer
    x = 51,967.04

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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.