Home / 178,711.20-246,676.82-115,049

Finding the Fourth Proportional to 178,711.20, 246,676.82 and 115,049

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Solution

The fourth proportional to 178,711.20, 246,676.82 and 115,049 is: 158,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,711.20 : 246,676.82 = 115,049 : x
  2. Step 2: Convert to fraction form
    178,711.20/246,676.82 = 115,049/x
  3. Step 3: Cross multiply
    178,711.20x = 246,676.82 × 115,049
  4. Step 4: Simplify right side
    178,711.20x = 28,379,921,464.18
  5. Step 5: Solve for x
    x = 28,379,921,464.18/178,711.20
  6. Step 6: Final answer
    x = 158,803.26

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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.