Home / 126,871.34-175,082.40-69,514.31

Finding the Fourth Proportional to 126,871.34, 175,082.40 and 69,514.31

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Solution

The fourth proportional to 126,871.34, 175,082.40 and 69,514.31 is: 95,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,871.34 : 175,082.40 = 69,514.31 : x
  2. Step 2: Convert to fraction form
    126,871.34/175,082.40 = 69,514.31/x
  3. Step 3: Cross multiply
    126,871.34x = 175,082.40 × 69,514.31
  4. Step 4: Simplify right side
    126,871.34x = 12,170,732,666.85
  5. Step 5: Solve for x
    x = 12,170,732,666.85/126,871.34
  6. Step 6: Final answer
    x = 95,929.73

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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.