Home / 129,927.76-179,296.68-73,344.40

Finding the Fourth Proportional to 129,927.76, 179,296.68 and 73,344.40

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Solution

The fourth proportional to 129,927.76, 179,296.68 and 73,344.40 is: 101,213.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,927.76 : 179,296.68 = 73,344.40 : x
  2. Step 2: Convert to fraction form
    129,927.76/179,296.68 = 73,344.40/x
  3. Step 3: Cross multiply
    129,927.76x = 179,296.68 × 73,344.40
  4. Step 4: Simplify right side
    129,927.76x = 13,150,407,416.59
  5. Step 5: Solve for x
    x = 13,150,407,416.59/129,927.76
  6. Step 6: Final answer
    x = 101,213.22

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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.