Home / 129,926.76-179,295.30-73,343.40

Finding the Fourth Proportional to 129,926.76, 179,295.30 and 73,343.40

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Solution

The fourth proportional to 129,926.76, 179,295.30 and 73,343.40 is: 101,211.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,926.76 : 179,295.30 = 73,343.40 : x
  2. Step 2: Convert to fraction form
    129,926.76/179,295.30 = 73,343.40/x
  3. Step 3: Cross multiply
    129,926.76x = 179,295.30 × 73,343.40
  4. Step 4: Simplify right side
    129,926.76x = 13,150,126,906.02
  5. Step 5: Solve for x
    x = 13,150,126,906.02/129,926.76
  6. Step 6: Final answer
    x = 101,211.84

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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.