Home / 89,360.56-133,372.18-87,884.38

Finding the Fourth Proportional to 89,360.56, 133,372.18 and 87,884.38

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Solution

The fourth proportional to 89,360.56, 133,372.18 and 87,884.38 is: 131,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,360.56 : 133,372.18 = 87,884.38 : x
  2. Step 2: Convert to fraction form
    89,360.56/133,372.18 = 87,884.38/x
  3. Step 3: Cross multiply
    89,360.56x = 133,372.18 × 87,884.38
  4. Step 4: Simplify right side
    89,360.56x = 11,721,331,348.55
  5. Step 5: Solve for x
    x = 11,721,331,348.55/89,360.56
  6. Step 6: Final answer
    x = 131,168.96

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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.