Home / 99,231.59-148,871.68-49,335.18

Finding the Fourth Proportional to 99,231.59, 148,871.68 and 49,335.18

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Solution

The fourth proportional to 99,231.59, 148,871.68 and 49,335.18 is: 74,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,231.59 : 148,871.68 = 49,335.18 : x
  2. Step 2: Convert to fraction form
    99,231.59/148,871.68 = 49,335.18/x
  3. Step 3: Cross multiply
    99,231.59x = 148,871.68 × 49,335.18
  4. Step 4: Simplify right side
    99,231.59x = 7,344,611,006.36
  5. Step 5: Solve for x
    x = 7,344,611,006.36/99,231.59
  6. Step 6: Final answer
    x = 74,014.85

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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.