Home / 242,179.20-334,186.56-134,749.44

Finding the Fourth Proportional to 242,179.20, 334,186.56 and 134,749.44

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Solution

The fourth proportional to 242,179.20, 334,186.56 and 134,749.44 is: 185,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,179.20 : 334,186.56 = 134,749.44 : x
  2. Step 2: Convert to fraction form
    242,179.20/334,186.56 = 134,749.44/x
  3. Step 3: Cross multiply
    242,179.20x = 334,186.56 × 134,749.44
  4. Step 4: Simplify right side
    242,179.20x = 45,031,451,815.53
  5. Step 5: Solve for x
    x = 45,031,451,815.53/242,179.20
  6. Step 6: Final answer
    x = 185,942.69

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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.