Home / 252,811.12-379,327.40-119,786.32

Finding the Fourth Proportional to 252,811.12, 379,327.40 and 119,786.32

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Solution

The fourth proportional to 252,811.12, 379,327.40 and 119,786.32 is: 179,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,811.12 : 379,327.40 = 119,786.32 : x
  2. Step 2: Convert to fraction form
    252,811.12/379,327.40 = 119,786.32/x
  3. Step 3: Cross multiply
    252,811.12x = 379,327.40 × 119,786.32
  4. Step 4: Simplify right side
    252,811.12x = 45,438,233,321.17
  5. Step 5: Solve for x
    x = 45,438,233,321.17/252,811.12
  6. Step 6: Final answer
    x = 179,731.94

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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.