Home / 126,781.74-174,961.49-69,423.48

Finding the Fourth Proportional to 126,781.74, 174,961.49 and 69,423.48

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Solution

The fourth proportional to 126,781.74, 174,961.49 and 69,423.48 is: 95,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,781.74 : 174,961.49 = 69,423.48 : x
  2. Step 2: Convert to fraction form
    126,781.74/174,961.49 = 69,423.48/x
  3. Step 3: Cross multiply
    126,781.74x = 174,961.49 × 69,423.48
  4. Step 4: Simplify right side
    126,781.74x = 12,146,435,154.67
  5. Step 5: Solve for x
    x = 12,146,435,154.67/126,781.74
  6. Step 6: Final answer
    x = 95,805.87

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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.