Home / 376,029.44-564,096-126,782.72

Finding the Fourth Proportional to 376,029.44, 564,096 and 126,782.72

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Solution

The fourth proportional to 376,029.44, 564,096 and 126,782.72 is: 190,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,029.44 : 564,096 = 126,782.72 : x
  2. Step 2: Convert to fraction form
    376,029.44/564,096 = 126,782.72/x
  3. Step 3: Cross multiply
    376,029.44x = 564,096 × 126,782.72
  4. Step 4: Simplify right side
    376,029.44x = 71,517,625,221.12
  5. Step 5: Solve for x
    x = 71,517,625,221.12/376,029.44
  6. Step 6: Final answer
    x = 190,191.56

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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.