Home / 120,407.52-180,646.92-41,529.72

Finding the Fourth Proportional to 120,407.52, 180,646.92 and 41,529.72

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Solution

The fourth proportional to 120,407.52, 180,646.92 and 41,529.72 is: 62,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,407.52 : 180,646.92 = 41,529.72 : x
  2. Step 2: Convert to fraction form
    120,407.52/180,646.92 = 41,529.72/x
  3. Step 3: Cross multiply
    120,407.52x = 180,646.92 × 41,529.72
  4. Step 4: Simplify right side
    120,407.52x = 7,502,216,006.46
  5. Step 5: Solve for x
    x = 7,502,216,006.46/120,407.52
  6. Step 6: Final answer
    x = 62,306.87

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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.