Home / 87,124.52-120,213.24-51,301.44

Finding the Fourth Proportional to 87,124.52, 120,213.24 and 51,301.44

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Solution

The fourth proportional to 87,124.52, 120,213.24 and 51,301.44 is: 70,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,124.52 : 120,213.24 = 51,301.44 : x
  2. Step 2: Convert to fraction form
    87,124.52/120,213.24 = 51,301.44/x
  3. Step 3: Cross multiply
    87,124.52x = 120,213.24 × 51,301.44
  4. Step 4: Simplify right side
    87,124.52x = 6,167,112,319.07
  5. Step 5: Solve for x
    x = 6,167,112,319.07/87,124.52
  6. Step 6: Final answer
    x = 70,785.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.