Home / 126,863.85-175,064.59-69,491.71

Finding the Fourth Proportional to 126,863.85, 175,064.59 and 69,491.71

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Solution

The fourth proportional to 126,863.85, 175,064.59 and 69,491.71 is: 95,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,863.85 : 175,064.59 = 69,491.71 : x
  2. Step 2: Convert to fraction form
    126,863.85/175,064.59 = 69,491.71/x
  3. Step 3: Cross multiply
    126,863.85x = 175,064.59 × 69,491.71
  4. Step 4: Simplify right side
    126,863.85x = 12,165,537,040.51
  5. Step 5: Solve for x
    x = 12,165,537,040.51/126,863.85
  6. Step 6: Final answer
    x = 95,894.43

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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.