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Finding the Fourth Proportional to 183,678.52, 275,517.78 and 72,870.52

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Solution

The fourth proportional to 183,678.52, 275,517.78 and 72,870.52 is: 109,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,678.52 : 275,517.78 = 72,870.52 : x
  2. Step 2: Convert to fraction form
    183,678.52/275,517.78 = 72,870.52/x
  3. Step 3: Cross multiply
    183,678.52x = 275,517.78 × 72,870.52
  4. Step 4: Simplify right side
    183,678.52x = 20,077,123,897.85
  5. Step 5: Solve for x
    x = 20,077,123,897.85/183,678.52
  6. Step 6: Final answer
    x = 109,305.78

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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.