Home / 204,612.06-282,299.67-115,170.78

Finding the Fourth Proportional to 204,612.06, 282,299.67 and 115,170.78

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Solution

The fourth proportional to 204,612.06, 282,299.67 and 115,170.78 is: 158,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,612.06 : 282,299.67 = 115,170.78 : x
  2. Step 2: Convert to fraction form
    204,612.06/282,299.67 = 115,170.78/x
  3. Step 3: Cross multiply
    204,612.06x = 282,299.67 × 115,170.78
  4. Step 4: Simplify right side
    204,612.06x = 32,512,673,187.64
  5. Step 5: Solve for x
    x = 32,512,673,187.64/204,612.06
  6. Step 6: Final answer
    x = 158,899.10

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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.