Home / 161,930.30-242,895.45-149,488.70

Finding the Fourth Proportional to 161,930.30, 242,895.45 and 149,488.70

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Solution

The fourth proportional to 161,930.30, 242,895.45 and 149,488.70 is: 224,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,930.30 : 242,895.45 = 149,488.70 : x
  2. Step 2: Convert to fraction form
    161,930.30/242,895.45 = 149,488.70/x
  3. Step 3: Cross multiply
    161,930.30x = 242,895.45 × 149,488.70
  4. Step 4: Simplify right side
    161,930.30x = 36,310,125,056.42
  5. Step 5: Solve for x
    x = 36,310,125,056.42/161,930.30
  6. Step 6: Final answer
    x = 224,233.05

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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.