Home / 179,379.92-268,885.28-79,587.12

Finding the Fourth Proportional to 179,379.92, 268,885.28 and 79,587.12

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Solution

The fourth proportional to 179,379.92, 268,885.28 and 79,587.12 is: 119,298.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,379.92 : 268,885.28 = 79,587.12 : x
  2. Step 2: Convert to fraction form
    179,379.92/268,885.28 = 79,587.12/x
  3. Step 3: Cross multiply
    179,379.92x = 268,885.28 × 79,587.12
  4. Step 4: Simplify right side
    179,379.92x = 21,399,805,045.59
  5. Step 5: Solve for x
    x = 21,399,805,045.59/179,379.92
  6. Step 6: Final answer
    x = 119,298.78

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1.5x scale

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.