Home / 204,518.97-282,247.80-122,872.20

Finding the Fourth Proportional to 204,518.97, 282,247.80 and 122,872.20

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Solution

The fourth proportional to 204,518.97, 282,247.80 and 122,872.20 is: 169,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,518.97 : 282,247.80 = 122,872.20 : x
  2. Step 2: Convert to fraction form
    204,518.97/282,247.80 = 122,872.20/x
  3. Step 3: Cross multiply
    204,518.97x = 282,247.80 × 122,872.20
  4. Step 4: Simplify right side
    204,518.97x = 34,680,408,131.16
  5. Step 5: Solve for x
    x = 34,680,408,131.16/204,518.97
  6. Step 6: Final answer
    x = 169,570.62

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1.5x scale

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.