Home / 89,137.76-133,695.39-29,161.22

Finding the Fourth Proportional to 89,137.76, 133,695.39 and 29,161.22

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Solution

The fourth proportional to 89,137.76, 133,695.39 and 29,161.22 is: 43,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137.76 : 133,695.39 = 29,161.22 : x
  2. Step 2: Convert to fraction form
    89,137.76/133,695.39 = 29,161.22/x
  3. Step 3: Cross multiply
    89,137.76x = 133,695.39 × 29,161.22
  4. Step 4: Simplify right side
    89,137.76x = 3,898,720,680.78
  5. Step 5: Solve for x
    x = 3,898,720,680.78/89,137.76
  6. Step 6: Final answer
    x = 43,738.15

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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.