Home / 161,747.10-242,620.65-144,639.90

Finding the Fourth Proportional to 161,747.10, 242,620.65 and 144,639.90

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Solution

The fourth proportional to 161,747.10, 242,620.65 and 144,639.90 is: 216,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,747.10 : 242,620.65 = 144,639.90 : x
  2. Step 2: Convert to fraction form
    161,747.10/242,620.65 = 144,639.90/x
  3. Step 3: Cross multiply
    161,747.10x = 242,620.65 × 144,639.90
  4. Step 4: Simplify right side
    161,747.10x = 35,092,626,553.94
  5. Step 5: Solve for x
    x = 35,092,626,553.94/161,747.10
  6. Step 6: Final answer
    x = 216,959.85

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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.