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Finding the Fourth Proportional to 96,951.40, 145,427.10 and 96,260.20

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Solution

The fourth proportional to 96,951.40, 145,427.10 and 96,260.20 is: 144,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,951.40 : 145,427.10 = 96,260.20 : x
  2. Step 2: Convert to fraction form
    96,951.40/145,427.10 = 96,260.20/x
  3. Step 3: Cross multiply
    96,951.40x = 145,427.10 × 96,260.20
  4. Step 4: Simplify right side
    96,951.40x = 13,998,841,731.42
  5. Step 5: Solve for x
    x = 13,998,841,731.42/96,951.40
  6. Step 6: Final answer
    x = 144,390.30

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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.