Home / 126,690.59-174,805.25-75,695.66

Finding the Fourth Proportional to 126,690.59, 174,805.25 and 75,695.66

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Solution

The fourth proportional to 126,690.59, 174,805.25 and 75,695.66 is: 104,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,690.59 : 174,805.25 = 75,695.66 : x
  2. Step 2: Convert to fraction form
    126,690.59/174,805.25 = 75,695.66/x
  3. Step 3: Cross multiply
    126,690.59x = 174,805.25 × 75,695.66
  4. Step 4: Simplify right side
    126,690.59x = 13,231,998,391.74
  5. Step 5: Solve for x
    x = 13,231,998,391.74/126,690.59
  6. Step 6: Final answer
    x = 104,443.42

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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.