Home / 126,578.46-174,821.67-86,222.10

Finding the Fourth Proportional to 126,578.46, 174,821.67 and 86,222.10

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Solution

The fourth proportional to 126,578.46, 174,821.67 and 86,222.10 is: 119,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,578.46 : 174,821.67 = 86,222.10 : x
  2. Step 2: Convert to fraction form
    126,578.46/174,821.67 = 86,222.10/x
  3. Step 3: Cross multiply
    126,578.46x = 174,821.67 × 86,222.10
  4. Step 4: Simplify right side
    126,578.46x = 15,073,491,512.91
  5. Step 5: Solve for x
    x = 15,073,491,512.91/126,578.46
  6. Step 6: Final answer
    x = 119,084.18

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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.