Home / 146,677.20-202,414.76-79,609.36

Finding the Fourth Proportional to 146,677.20, 202,414.76 and 79,609.36

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Solution

The fourth proportional to 146,677.20, 202,414.76 and 79,609.36 is: 109,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,677.20 : 202,414.76 = 79,609.36 : x
  2. Step 2: Convert to fraction form
    146,677.20/202,414.76 = 79,609.36/x
  3. Step 3: Cross multiply
    146,677.20x = 202,414.76 × 79,609.36
  4. Step 4: Simplify right side
    146,677.20x = 16,114,109,498.15
  5. Step 5: Solve for x
    x = 16,114,109,498.15/146,677.20
  6. Step 6: Final answer
    x = 109,861.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.