Home / 99,819.56-137,752.94-54,497.66

Finding the Fourth Proportional to 99,819.56, 137,752.94 and 54,497.66

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Solution

The fourth proportional to 99,819.56, 137,752.94 and 54,497.66 is: 75,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,819.56 : 137,752.94 = 54,497.66 : x
  2. Step 2: Convert to fraction form
    99,819.56/137,752.94 = 54,497.66/x
  3. Step 3: Cross multiply
    99,819.56x = 137,752.94 × 54,497.66
  4. Step 4: Simplify right side
    99,819.56x = 7,507,212,209.29
  5. Step 5: Solve for x
    x = 7,507,212,209.29/99,819.56
  6. Step 6: Final answer
    x = 75,207.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.