Home / 148,986.80-223,480.20-115,809.20

Finding the Fourth Proportional to 148,986.80, 223,480.20 and 115,809.20

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Solution

The fourth proportional to 148,986.80, 223,480.20 and 115,809.20 is: 173,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,986.80 : 223,480.20 = 115,809.20 : x
  2. Step 2: Convert to fraction form
    148,986.80/223,480.20 = 115,809.20/x
  3. Step 3: Cross multiply
    148,986.80x = 223,480.20 × 115,809.20
  4. Step 4: Simplify right side
    148,986.80x = 25,881,063,177.84
  5. Step 5: Solve for x
    x = 25,881,063,177.84/148,986.80
  6. Step 6: Final answer
    x = 173,713.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.