Home / 148,610.89-205,069.48-88,171.12

Finding the Fourth Proportional to 148,610.89, 205,069.48 and 88,171.12

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Solution

The fourth proportional to 148,610.89, 205,069.48 and 88,171.12 is: 121,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,610.89 : 205,069.48 = 88,171.12 : x
  2. Step 2: Convert to fraction form
    148,610.89/205,069.48 = 88,171.12/x
  3. Step 3: Cross multiply
    148,610.89x = 205,069.48 × 88,171.12
  4. Step 4: Simplify right side
    148,610.89x = 18,081,205,729.42
  5. Step 5: Solve for x
    x = 18,081,205,729.42/148,610.89
  6. Step 6: Final answer
    x = 121,668.11

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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.