Home / 87,894.17-131,844.51-45,188.18

Finding the Fourth Proportional to 87,894.17, 131,844.51 and 45,188.18

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Solution

The fourth proportional to 87,894.17, 131,844.51 and 45,188.18 is: 67,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,894.17 : 131,844.51 = 45,188.18 : x
  2. Step 2: Convert to fraction form
    87,894.17/131,844.51 = 45,188.18/x
  3. Step 3: Cross multiply
    87,894.17x = 131,844.51 × 45,188.18
  4. Step 4: Simplify right side
    87,894.17x = 5,957,812,790.67
  5. Step 5: Solve for x
    x = 5,957,812,790.67/87,894.17
  6. Step 6: Final answer
    x = 67,783.94

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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.