Home / 268,947.57-371,142.66-148,086.21

Finding the Fourth Proportional to 268,947.57, 371,142.66 and 148,086.21

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Solution

The fourth proportional to 268,947.57, 371,142.66 and 148,086.21 is: 204,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,947.57 : 371,142.66 = 148,086.21 : x
  2. Step 2: Convert to fraction form
    268,947.57/371,142.66 = 148,086.21/x
  3. Step 3: Cross multiply
    268,947.57x = 371,142.66 × 148,086.21
  4. Step 4: Simplify right side
    268,947.57x = 54,961,109,888.72
  5. Step 5: Solve for x
    x = 54,961,109,888.72/268,947.57
  6. Step 6: Final answer
    x = 204,356.22

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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.