Home / 161,712.70-242,569.05-144,799.90

Finding the Fourth Proportional to 161,712.70, 242,569.05 and 144,799.90

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Solution

The fourth proportional to 161,712.70, 242,569.05 and 144,799.90 is: 217,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,712.70 : 242,569.05 = 144,799.90 : x
  2. Step 2: Convert to fraction form
    161,712.70/242,569.05 = 144,799.90/x
  3. Step 3: Cross multiply
    161,712.70x = 242,569.05 × 144,799.90
  4. Step 4: Simplify right side
    161,712.70x = 35,123,974,183.10
  5. Step 5: Solve for x
    x = 35,123,974,183.10/161,712.70
  6. Step 6: Final answer
    x = 217,199.85

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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.