Home / 203,727.76-281,139.05-113,081.06

Finding the Fourth Proportional to 203,727.76, 281,139.05 and 113,081.06

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Solution

The fourth proportional to 203,727.76, 281,139.05 and 113,081.06 is: 156,048.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,727.76 : 281,139.05 = 113,081.06 : x
  2. Step 2: Convert to fraction form
    203,727.76/281,139.05 = 113,081.06/x
  3. Step 3: Cross multiply
    203,727.76x = 281,139.05 × 113,081.06
  4. Step 4: Simplify right side
    203,727.76x = 31,791,502,766.94
  5. Step 5: Solve for x
    x = 31,791,502,766.94/203,727.76
  6. Step 6: Final answer
    x = 156,048.95

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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.