Home / 96,691.52-145,036.85-30,131.70

Finding the Fourth Proportional to 96,691.52, 145,036.85 and 30,131.70

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Solution

The fourth proportional to 96,691.52, 145,036.85 and 30,131.70 is: 45,197.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,691.52 : 145,036.85 = 30,131.70 : x
  2. Step 2: Convert to fraction form
    96,691.52/145,036.85 = 30,131.70/x
  3. Step 3: Cross multiply
    96,691.52x = 145,036.85 × 30,131.70
  4. Step 4: Simplify right side
    96,691.52x = 4,370,206,702.49
  5. Step 5: Solve for x
    x = 4,370,206,702.49/96,691.52
  6. Step 6: Final answer
    x = 45,197.42

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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.