Home / 252,180.12-378,273.96-74,705.16

Finding the Fourth Proportional to 252,180.12, 378,273.96 and 74,705.16

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Solution

The fourth proportional to 252,180.12, 378,273.96 and 74,705.16 is: 112,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,180.12 : 378,273.96 = 74,705.16 : x
  2. Step 2: Convert to fraction form
    252,180.12/378,273.96 = 74,705.16/x
  3. Step 3: Cross multiply
    252,180.12x = 378,273.96 × 74,705.16
  4. Step 4: Simplify right side
    252,180.12x = 28,259,016,705.63
  5. Step 5: Solve for x
    x = 28,259,016,705.63/252,180.12
  6. Step 6: Final answer
    x = 112,058.86

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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.