Home / 164,839.20-227,478.22-89,387.68

Finding the Fourth Proportional to 164,839.20, 227,478.22 and 89,387.68

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Solution

The fourth proportional to 164,839.20, 227,478.22 and 89,387.68 is: 123,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,839.20 : 227,478.22 = 89,387.68 : x
  2. Step 2: Convert to fraction form
    164,839.20/227,478.22 = 89,387.68/x
  3. Step 3: Cross multiply
    164,839.20x = 227,478.22 × 89,387.68
  4. Step 4: Simplify right side
    164,839.20x = 20,333,750,336.33
  5. Step 5: Solve for x
    x = 20,333,750,336.33/164,839.20
  6. Step 6: Final answer
    x = 123,355.07

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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.