Home / 129,741.52-179,043.34-73,152.90

Finding the Fourth Proportional to 129,741.52, 179,043.34 and 73,152.90

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Solution

The fourth proportional to 129,741.52, 179,043.34 and 73,152.90 is: 100,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,741.52 : 179,043.34 = 73,152.90 : x
  2. Step 2: Convert to fraction form
    129,741.52/179,043.34 = 73,152.90/x
  3. Step 3: Cross multiply
    129,741.52x = 179,043.34 × 73,152.90
  4. Step 4: Simplify right side
    129,741.52x = 13,097,539,546.69
  5. Step 5: Solve for x
    x = 13,097,539,546.69/129,741.52
  6. Step 6: Final answer
    x = 100,951.03

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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.