Home / 252,039.12-378,132.56-74,550.88

Finding the Fourth Proportional to 252,039.12, 378,132.56 and 74,550.88

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Solution

The fourth proportional to 252,039.12, 378,132.56 and 74,550.88 is: 111,848.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,039.12 : 378,132.56 = 74,550.88 : x
  2. Step 2: Convert to fraction form
    252,039.12/378,132.56 = 74,550.88/x
  3. Step 3: Cross multiply
    252,039.12x = 378,132.56 × 74,550.88
  4. Step 4: Simplify right side
    252,039.12x = 28,190,115,104.65
  5. Step 5: Solve for x
    x = 28,190,115,104.65/252,039.12
  6. Step 6: Final answer
    x = 111,848.17

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1.5x scale

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.