Home / 252,240.30-378,359.07-108,124.90

Finding the Fourth Proportional to 252,240.30, 378,359.07 and 108,124.90

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Solution

The fourth proportional to 252,240.30, 378,359.07 and 108,124.90 is: 162,186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,240.30 : 378,359.07 = 108,124.90 : x
  2. Step 2: Convert to fraction form
    252,240.30/378,359.07 = 108,124.90/x
  3. Step 3: Cross multiply
    252,240.30x = 378,359.07 × 108,124.90
  4. Step 4: Simplify right side
    252,240.30x = 40,910,036,607.84
  5. Step 5: Solve for x
    x = 40,910,036,607.84/252,240.30
  6. Step 6: Final answer
    x = 162,186.76

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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.