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Finding the Fourth Proportional to 131,694.38, 197,573.01 and 42,947.96

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Solution

The fourth proportional to 131,694.38, 197,573.01 and 42,947.96 is: 64,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,694.38 : 197,573.01 = 42,947.96 : x
  2. Step 2: Convert to fraction form
    131,694.38/197,573.01 = 42,947.96/x
  3. Step 3: Cross multiply
    131,694.38x = 197,573.01 × 42,947.96
  4. Step 4: Simplify right side
    131,694.38x = 8,485,357,730.56
  5. Step 5: Solve for x
    x = 8,485,357,730.56/131,694.38
  6. Step 6: Final answer
    x = 64,432.19

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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.