Home / 129,823.98-179,160.30-73,239

Finding the Fourth Proportional to 129,823.98, 179,160.30 and 73,239

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Solution

The fourth proportional to 129,823.98, 179,160.30 and 73,239 is: 101,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,823.98 : 179,160.30 = 73,239 : x
  2. Step 2: Convert to fraction form
    129,823.98/179,160.30 = 73,239/x
  3. Step 3: Cross multiply
    129,823.98x = 179,160.30 × 73,239
  4. Step 4: Simplify right side
    129,823.98x = 13,121,521,211.70
  5. Step 5: Solve for x
    x = 13,121,521,211.70/129,823.98
  6. Step 6: Final answer
    x = 101,071.63

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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.