Home / 494,105.76-741,156.48-120,132

Finding the Fourth Proportional to 494,105.76, 741,156.48 and 120,132

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Solution

The fourth proportional to 494,105.76, 741,156.48 and 120,132 is: 180,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,105.76 : 741,156.48 = 120,132 : x
  2. Step 2: Convert to fraction form
    494,105.76/741,156.48 = 120,132/x
  3. Step 3: Cross multiply
    494,105.76x = 741,156.48 × 120,132
  4. Step 4: Simplify right side
    494,105.76x = 89,036,610,255.36
  5. Step 5: Solve for x
    x = 89,036,610,255.36/494,105.76
  6. Step 6: Final answer
    x = 180,197.47

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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.