Home / 99,819.08-137,751.66-54,496.54

Finding the Fourth Proportional to 99,819.08, 137,751.66 and 54,496.54

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Solution

The fourth proportional to 99,819.08, 137,751.66 and 54,496.54 is: 75,205.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,819.08 : 137,751.66 = 54,496.54 : x
  2. Step 2: Convert to fraction form
    99,819.08/137,751.66 = 54,496.54/x
  3. Step 3: Cross multiply
    99,819.08x = 137,751.66 × 54,496.54
  4. Step 4: Simplify right side
    99,819.08x = 7,506,988,504.88
  5. Step 5: Solve for x
    x = 7,506,988,504.88/99,819.08
  6. Step 6: Final answer
    x = 75,205.95

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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.