Home / 126,491.27-174,551.08-69,899

Finding the Fourth Proportional to 126,491.27, 174,551.08 and 69,899

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Solution

The fourth proportional to 126,491.27, 174,551.08 and 69,899 is: 96,456.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,491.27 : 174,551.08 = 69,899 : x
  2. Step 2: Convert to fraction form
    126,491.27/174,551.08 = 69,899/x
  3. Step 3: Cross multiply
    126,491.27x = 174,551.08 × 69,899
  4. Step 4: Simplify right side
    126,491.27x = 12,200,945,940.92
  5. Step 5: Solve for x
    x = 12,200,945,940.92/126,491.27
  6. Step 6: Final answer
    x = 96,456.82

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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.