Home / 126,384.97-174,404.12-69,012.87

Finding the Fourth Proportional to 126,384.97, 174,404.12 and 69,012.87

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Solution

The fourth proportional to 126,384.97, 174,404.12 and 69,012.87 is: 95,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,384.97 : 174,404.12 = 69,012.87 : x
  2. Step 2: Convert to fraction form
    126,384.97/174,404.12 = 69,012.87/x
  3. Step 3: Cross multiply
    126,384.97x = 174,404.12 × 69,012.87
  4. Step 4: Simplify right side
    126,384.97x = 12,036,129,767.57
  5. Step 5: Solve for x
    x = 12,036,129,767.57/126,384.97
  6. Step 6: Final answer
    x = 95,233.87

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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.