Home / 126,499.88-174,552.92-81,239.15

Finding the Fourth Proportional to 126,499.88, 174,552.92 and 81,239.15

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Solution

The fourth proportional to 126,499.88, 174,552.92 and 81,239.15 is: 112,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,499.88 : 174,552.92 = 81,239.15 : x
  2. Step 2: Convert to fraction form
    126,499.88/174,552.92 = 81,239.15/x
  3. Step 3: Cross multiply
    126,499.88x = 174,552.92 × 81,239.15
  4. Step 4: Simplify right side
    126,499.88x = 14,180,531,642.62
  5. Step 5: Solve for x
    x = 14,180,531,642.62/126,499.88
  6. Step 6: Final answer
    x = 112,099.17

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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.