Home / 96,772.07-145,158.12-30,217.90

Finding the Fourth Proportional to 96,772.07, 145,158.12 and 30,217.90

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Solution

The fourth proportional to 96,772.07, 145,158.12 and 30,217.90 is: 45,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,772.07 : 145,158.12 = 30,217.90 : x
  2. Step 2: Convert to fraction form
    96,772.07/145,158.12 = 30,217.90/x
  3. Step 3: Cross multiply
    96,772.07x = 145,158.12 × 30,217.90
  4. Step 4: Simplify right side
    96,772.07x = 4,386,373,554.35
  5. Step 5: Solve for x
    x = 4,386,373,554.35/96,772.07
  6. Step 6: Final answer
    x = 45,326.85

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Similar ratio
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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.