Home / 99,086.68-148,557.24-31,579.88

Finding the Fourth Proportional to 99,086.68, 148,557.24 and 31,579.88

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Solution

The fourth proportional to 99,086.68, 148,557.24 and 31,579.88 is: 47,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,086.68 : 148,557.24 = 31,579.88 : x
  2. Step 2: Convert to fraction form
    99,086.68/148,557.24 = 31,579.88/x
  3. Step 3: Cross multiply
    99,086.68x = 148,557.24 × 31,579.88
  4. Step 4: Simplify right side
    99,086.68x = 4,691,419,069.55
  5. Step 5: Solve for x
    x = 4,691,419,069.55/99,086.68
  6. Step 6: Final answer
    x = 47,346.62

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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.