Home / 126,512.98-174,617.02-72,829.14

Finding the Fourth Proportional to 126,512.98, 174,617.02 and 72,829.14

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Solution

The fourth proportional to 126,512.98, 174,617.02 and 72,829.14 is: 100,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,512.98 : 174,617.02 = 72,829.14 : x
  2. Step 2: Convert to fraction form
    126,512.98/174,617.02 = 72,829.14/x
  3. Step 3: Cross multiply
    126,512.98x = 174,617.02 × 72,829.14
  4. Step 4: Simplify right side
    126,512.98x = 12,717,207,395.96
  5. Step 5: Solve for x
    x = 12,717,207,395.96/126,512.98
  6. Step 6: Final answer
    x = 100,520.97

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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.