Home / 178,175.46-245,685.11-113,542.31

Finding the Fourth Proportional to 178,175.46, 245,685.11 and 113,542.31

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Solution

The fourth proportional to 178,175.46, 245,685.11 and 113,542.31 is: 156,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,175.46 : 245,685.11 = 113,542.31 : x
  2. Step 2: Convert to fraction form
    178,175.46/245,685.11 = 113,542.31/x
  3. Step 3: Cross multiply
    178,175.46x = 245,685.11 × 113,542.31
  4. Step 4: Simplify right side
    178,175.46x = 27,895,654,968.51
  5. Step 5: Solve for x
    x = 27,895,654,968.51/178,175.46
  6. Step 6: Final answer
    x = 156,562.83

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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.