Home / 86,180.48-129,235.34-32,891.87

Finding the Fourth Proportional to 86,180.48, 129,235.34 and 32,891.87

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Solution

The fourth proportional to 86,180.48, 129,235.34 and 32,891.87 is: 49,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,180.48 : 129,235.34 = 32,891.87 : x
  2. Step 2: Convert to fraction form
    86,180.48/129,235.34 = 32,891.87/x
  3. Step 3: Cross multiply
    86,180.48x = 129,235.34 × 32,891.87
  4. Step 4: Simplify right side
    86,180.48x = 4,250,792,002.69
  5. Step 5: Solve for x
    x = 4,250,792,002.69/86,180.48
  6. Step 6: Final answer
    x = 49,324.30

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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.