Home / 164,517.20-227,033.82-89,065.72

Finding the Fourth Proportional to 164,517.20, 227,033.82 and 89,065.72

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Solution

The fourth proportional to 164,517.20, 227,033.82 and 89,065.72 is: 122,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,517.20 : 227,033.82 = 89,065.72 : x
  2. Step 2: Convert to fraction form
    164,517.20/227,033.82 = 89,065.72/x
  3. Step 3: Cross multiply
    164,517.20x = 227,033.82 × 89,065.72
  4. Step 4: Simplify right side
    164,517.20x = 20,220,930,642.65
  5. Step 5: Solve for x
    x = 20,220,930,642.65/164,517.20
  6. Step 6: Final answer
    x = 122,910.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.