Home / 120,508.19-180,725.79-36,245.97

Finding the Fourth Proportional to 120,508.19, 180,725.79 and 36,245.97

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Solution

The fourth proportional to 120,508.19, 180,725.79 and 36,245.97 is: 54,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,508.19 : 180,725.79 = 36,245.97 : x
  2. Step 2: Convert to fraction form
    120,508.19/180,725.79 = 36,245.97/x
  3. Step 3: Cross multiply
    120,508.19x = 180,725.79 × 36,245.97
  4. Step 4: Simplify right side
    120,508.19x = 6,550,581,562.57
  5. Step 5: Solve for x
    x = 6,550,581,562.57/120,508.19
  6. Step 6: Final answer
    x = 54,357.98

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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.