Home / 149,084.15-205,668.37-88,620.43

Finding the Fourth Proportional to 149,084.15, 205,668.37 and 88,620.43

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Solution

The fourth proportional to 149,084.15, 205,668.37 and 88,620.43 is: 122,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,084.15 : 205,668.37 = 88,620.43 : x
  2. Step 2: Convert to fraction form
    149,084.15/205,668.37 = 88,620.43/x
  3. Step 3: Cross multiply
    149,084.15x = 205,668.37 × 88,620.43
  4. Step 4: Simplify right side
    149,084.15x = 18,226,418,870.54
  5. Step 5: Solve for x
    x = 18,226,418,870.54/149,084.15
  6. Step 6: Final answer
    x = 122,255.92

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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.