Home / 129,956.25-179,339.67-73,371.27

Finding the Fourth Proportional to 129,956.25, 179,339.67 and 73,371.27

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Solution

The fourth proportional to 129,956.25, 179,339.67 and 73,371.27 is: 101,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,956.25 : 179,339.67 = 73,371.27 : x
  2. Step 2: Convert to fraction form
    129,956.25/179,339.67 = 73,371.27/x
  3. Step 3: Cross multiply
    129,956.25x = 179,339.67 × 73,371.27
  4. Step 4: Simplify right side
    129,956.25x = 13,158,379,349.28
  5. Step 5: Solve for x
    x = 13,158,379,349.28/129,956.25
  6. Step 6: Final answer
    x = 101,252.38

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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.