Home / 220,836.15-304,753.91-120,234.15

Finding the Fourth Proportional to 220,836.15, 304,753.91 and 120,234.15

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Solution

The fourth proportional to 220,836.15, 304,753.91 and 120,234.15 is: 165,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,836.15 : 304,753.91 = 120,234.15 : x
  2. Step 2: Convert to fraction form
    220,836.15/304,753.91 = 120,234.15/x
  3. Step 3: Cross multiply
    220,836.15x = 304,753.91 × 120,234.15
  4. Step 4: Simplify right side
    220,836.15x = 36,641,826,726.86
  5. Step 5: Solve for x
    x = 36,641,826,726.86/220,836.15
  6. Step 6: Final answer
    x = 165,923.14

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1.5x scale

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.