Home / 252,111.38-378,285.10-125,761.39

Finding the Fourth Proportional to 252,111.38, 378,285.10 and 125,761.39

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Solution

The fourth proportional to 252,111.38, 378,285.10 and 125,761.39 is: 188,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,111.38 : 378,285.10 = 125,761.39 : x
  2. Step 2: Convert to fraction form
    252,111.38/378,285.10 = 125,761.39/x
  3. Step 3: Cross multiply
    252,111.38x = 378,285.10 × 125,761.39
  4. Step 4: Simplify right side
    252,111.38x = 47,573,658,732.17
  5. Step 5: Solve for x
    x = 47,573,658,732.17/252,111.38
  6. Step 6: Final answer
    x = 188,700.96

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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.