Home / 146,514.28-202,189.82-79,446.28

Finding the Fourth Proportional to 146,514.28, 202,189.82 and 79,446.28

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Solution

The fourth proportional to 146,514.28, 202,189.82 and 79,446.28 is: 109,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,514.28 : 202,189.82 = 79,446.28 : x
  2. Step 2: Convert to fraction form
    146,514.28/202,189.82 = 79,446.28/x
  3. Step 3: Cross multiply
    146,514.28x = 202,189.82 × 79,446.28
  4. Step 4: Simplify right side
    146,514.28x = 16,063,229,052.87
  5. Step 5: Solve for x
    x = 16,063,229,052.87/146,514.28
  6. Step 6: Final answer
    x = 109,635.93

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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.