Home / 381,081.05-571,621.79-96,792.92

Finding the Fourth Proportional to 381,081.05, 571,621.79 and 96,792.92

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Solution

The fourth proportional to 381,081.05, 571,621.79 and 96,792.92 is: 145,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,081.05 : 571,621.79 = 96,792.92 : x
  2. Step 2: Convert to fraction form
    381,081.05/571,621.79 = 96,792.92/x
  3. Step 3: Cross multiply
    381,081.05x = 571,621.79 × 96,792.92
  4. Step 4: Simplify right side
    381,081.05x = 55,328,941,717.18
  5. Step 5: Solve for x
    x = 55,328,941,717.18/381,081.05
  6. Step 6: Final answer
    x = 145,189.43

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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.