Home / 89,614.24-134,343.60-45,203.92

Finding the Fourth Proportional to 89,614.24, 134,343.60 and 45,203.92

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Solution

The fourth proportional to 89,614.24, 134,343.60 and 45,203.92 is: 67,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.24 : 134,343.60 = 45,203.92 : x
  2. Step 2: Convert to fraction form
    89,614.24/134,343.60 = 45,203.92/x
  3. Step 3: Cross multiply
    89,614.24x = 134,343.60 × 45,203.92
  4. Step 4: Simplify right side
    89,614.24x = 6,072,857,346.91
  5. Step 5: Solve for x
    x = 6,072,857,346.91/89,614.24
  6. Step 6: Final answer
    x = 67,766.66

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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.