Home / 126,704.10-174,839.76-75,706.66

Finding the Fourth Proportional to 126,704.10, 174,839.76 and 75,706.66

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Solution

The fourth proportional to 126,704.10, 174,839.76 and 75,706.66 is: 104,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,704.10 : 174,839.76 = 75,706.66 : x
  2. Step 2: Convert to fraction form
    126,704.10/174,839.76 = 75,706.66/x
  3. Step 3: Cross multiply
    126,704.10x = 174,839.76 × 75,706.66
  4. Step 4: Simplify right side
    126,704.10x = 13,236,534,264.80
  5. Step 5: Solve for x
    x = 13,236,534,264.80/126,704.10
  6. Step 6: Final answer
    x = 104,468.08

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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.