Home / 129,853.07-179,197.41-73,269.71

Finding the Fourth Proportional to 129,853.07, 179,197.41 and 73,269.71

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Solution

The fourth proportional to 129,853.07, 179,197.41 and 73,269.71 is: 101,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,853.07 : 179,197.41 = 73,269.71 : x
  2. Step 2: Convert to fraction form
    129,853.07/179,197.41 = 73,269.71/x
  3. Step 3: Cross multiply
    129,853.07x = 179,197.41 × 73,269.71
  4. Step 4: Simplify right side
    129,853.07x = 13,129,741,367.46
  5. Step 5: Solve for x
    x = 13,129,741,367.46/129,853.07
  6. Step 6: Final answer
    x = 101,112.29

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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.