Home / 126,760.53-174,931.61-69,398.90

Finding the Fourth Proportional to 126,760.53, 174,931.61 and 69,398.90

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Solution

The fourth proportional to 126,760.53, 174,931.61 and 69,398.90 is: 95,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,760.53 : 174,931.61 = 69,398.90 : x
  2. Step 2: Convert to fraction form
    126,760.53/174,931.61 = 69,398.90/x
  3. Step 3: Cross multiply
    126,760.53x = 174,931.61 × 69,398.90
  4. Step 4: Simplify right side
    126,760.53x = 12,140,060,087.58
  5. Step 5: Solve for x
    x = 12,140,060,087.58/126,760.53
  6. Step 6: Final answer
    x = 95,771.61

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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.