Home / 89,366.06-133,380.38-87,889.88

Finding the Fourth Proportional to 89,366.06, 133,380.38 and 87,889.88

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Solution

The fourth proportional to 89,366.06, 133,380.38 and 87,889.88 is: 131,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,366.06 : 133,380.38 = 87,889.88 : x
  2. Step 2: Convert to fraction form
    89,366.06/133,380.38 = 87,889.88/x
  3. Step 3: Cross multiply
    89,366.06x = 133,380.38 × 87,889.88
  4. Step 4: Simplify right side
    89,366.06x = 11,722,785,592.55
  5. Step 5: Solve for x
    x = 11,722,785,592.55/89,366.06
  6. Step 6: Final answer
    x = 131,177.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.