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Finding the Fourth Proportional to 82,251.30, 115,385.10 and 82,251.30

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Solution

The fourth proportional to 82,251.30, 115,385.10 and 82,251.30 is: 115,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,251.30 : 115,385.10 = 82,251.30 : x
  2. Step 2: Convert to fraction form
    82,251.30/115,385.10 = 82,251.30/x
  3. Step 3: Cross multiply
    82,251.30x = 115,385.10 × 82,251.30
  4. Step 4: Simplify right side
    82,251.30x = 9,490,574,475.63
  5. Step 5: Solve for x
    x = 9,490,574,475.63/82,251.30
  6. Step 6: Final answer
    x = 115,385.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.