Home / 203,726.86-281,142.85-113,082.62

Finding the Fourth Proportional to 203,726.86, 281,142.85 and 113,082.62

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Solution

The fourth proportional to 203,726.86, 281,142.85 and 113,082.62 is: 156,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,726.86 : 281,142.85 = 113,082.62 : x
  2. Step 2: Convert to fraction form
    203,726.86/281,142.85 = 113,082.62/x
  3. Step 3: Cross multiply
    203,726.86x = 281,142.85 × 113,082.62
  4. Step 4: Simplify right side
    203,726.86x = 31,792,368,595.88
  5. Step 5: Solve for x
    x = 31,792,368,595.88/203,726.86
  6. Step 6: Final answer
    x = 156,053.89

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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.