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Finding the Fourth Proportional to 183,013.58, 274,162.82 and 126,077.43

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Solution

The fourth proportional to 183,013.58, 274,162.82 and 126,077.43 is: 188,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,013.58 : 274,162.82 = 126,077.43 : x
  2. Step 2: Convert to fraction form
    183,013.58/274,162.82 = 126,077.43/x
  3. Step 3: Cross multiply
    183,013.58x = 274,162.82 × 126,077.43
  4. Step 4: Simplify right side
    183,013.58x = 34,565,743,116.77
  5. Step 5: Solve for x
    x = 34,565,743,116.77/183,013.58
  6. Step 6: Final answer
    x = 188,869.83

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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.