Home / 161,801.70-242,511.92-72,951.18

Finding the Fourth Proportional to 161,801.70, 242,511.92 and 72,951.18

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Solution

The fourth proportional to 161,801.70, 242,511.92 and 72,951.18 is: 109,340.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,801.70 : 242,511.92 = 72,951.18 : x
  2. Step 2: Convert to fraction form
    161,801.70/242,511.92 = 72,951.18/x
  3. Step 3: Cross multiply
    161,801.70x = 242,511.92 × 72,951.18
  4. Step 4: Simplify right side
    161,801.70x = 17,691,530,728.07
  5. Step 5: Solve for x
    x = 17,691,530,728.07/161,801.70
  6. Step 6: Final answer
    x = 109,340.82

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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.