Home / 99,306.46-148,959.64-29,185.75

Finding the Fourth Proportional to 99,306.46, 148,959.64 and 29,185.75

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Solution

The fourth proportional to 99,306.46, 148,959.64 and 29,185.75 is: 43,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.46 : 148,959.64 = 29,185.75 : x
  2. Step 2: Convert to fraction form
    99,306.46/148,959.64 = 29,185.75/x
  3. Step 3: Cross multiply
    99,306.46x = 148,959.64 × 29,185.75
  4. Step 4: Simplify right side
    99,306.46x = 4,347,498,813.13
  5. Step 5: Solve for x
    x = 4,347,498,813.13/99,306.46
  6. Step 6: Final answer
    x = 43,778.61

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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.