Home / 90,000.52-124,197.00-51,757.18

Finding the Fourth Proportional to 90,000.52, 124,197.00 and 51,757.18

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Solution

The fourth proportional to 90,000.52, 124,197.00 and 51,757.18 is: 71,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,000.52 : 124,197.00 = 51,757.18 : x
  2. Step 2: Convert to fraction form
    90,000.52/124,197.00 = 51,757.18/x
  3. Step 3: Cross multiply
    90,000.52x = 124,197.00 × 51,757.18
  4. Step 4: Simplify right side
    90,000.52x = 6,428,085,979.88
  5. Step 5: Solve for x
    x = 6,428,085,979.88/90,000.52
  6. Step 6: Final answer
    x = 71,422.77

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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.