Home / 164,218.28-226,621.29-88,766.78

Finding the Fourth Proportional to 164,218.28, 226,621.29 and 88,766.78

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Solution

The fourth proportional to 164,218.28, 226,621.29 and 88,766.78 is: 122,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,218.28 : 226,621.29 = 88,766.78 : x
  2. Step 2: Convert to fraction form
    164,218.28/226,621.29 = 88,766.78/x
  3. Step 3: Cross multiply
    164,218.28x = 226,621.29 × 88,766.78
  4. Step 4: Simplify right side
    164,218.28x = 20,116,442,192.75
  5. Step 5: Solve for x
    x = 20,116,442,192.75/164,218.28
  6. Step 6: Final answer
    x = 122,498.19

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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.