Home / 121,082.73-181,622.27-54,475.83

Finding the Fourth Proportional to 121,082.73, 181,622.27 and 54,475.83

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Solution

The fourth proportional to 121,082.73, 181,622.27 and 54,475.83 is: 81,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,082.73 : 181,622.27 = 54,475.83 : x
  2. Step 2: Convert to fraction form
    121,082.73/181,622.27 = 54,475.83/x
  3. Step 3: Cross multiply
    121,082.73x = 181,622.27 × 54,475.83
  4. Step 4: Simplify right side
    121,082.73x = 9,894,023,632.35
  5. Step 5: Solve for x
    x = 9,894,023,632.35/121,082.73
  6. Step 6: Final answer
    x = 81,712.92

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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.