Home / 179,071.20-268,749.36-100,170.72

Finding the Fourth Proportional to 179,071.20, 268,749.36 and 100,170.72

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Solution

The fourth proportional to 179,071.20, 268,749.36 and 100,170.72 is: 150,335.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,071.20 : 268,749.36 = 100,170.72 : x
  2. Step 2: Convert to fraction form
    179,071.20/268,749.36 = 100,170.72/x
  3. Step 3: Cross multiply
    179,071.20x = 268,749.36 × 100,170.72
  4. Step 4: Simplify right side
    179,071.20x = 26,920,816,890.74
  5. Step 5: Solve for x
    x = 26,920,816,890.74/179,071.20
  6. Step 6: Final answer
    x = 150,335.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.