Home / 268,972.09-371,184.05-148,117.66

Finding the Fourth Proportional to 268,972.09, 371,184.05 and 148,117.66

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Solution

The fourth proportional to 268,972.09, 371,184.05 and 148,117.66 is: 204,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,972.09 : 371,184.05 = 148,117.66 : x
  2. Step 2: Convert to fraction form
    268,972.09/371,184.05 = 148,117.66/x
  3. Step 3: Cross multiply
    268,972.09x = 371,184.05 × 148,117.66
  4. Step 4: Simplify right side
    268,972.09x = 54,978,912,357.66
  5. Step 5: Solve for x
    x = 54,978,912,357.66/268,972.09
  6. Step 6: Final answer
    x = 204,403.78

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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.