Home / 243,351.30-335,821.23-135,922.89

Finding the Fourth Proportional to 243,351.30, 335,821.23 and 135,922.89

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Solution

The fourth proportional to 243,351.30, 335,821.23 and 135,922.89 is: 187,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,351.30 : 335,821.23 = 135,922.89 : x
  2. Step 2: Convert to fraction form
    243,351.30/335,821.23 = 135,922.89/x
  3. Step 3: Cross multiply
    243,351.30x = 335,821.23 × 135,922.89
  4. Step 4: Simplify right side
    243,351.30x = 45,645,792,104.95
  5. Step 5: Solve for x
    x = 45,645,792,104.95/243,351.30
  6. Step 6: Final answer
    x = 187,571.60

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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.