Home / 204,642.56-282,341.76-115,201.28

Finding the Fourth Proportional to 204,642.56, 282,341.76 and 115,201.28

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Solution

The fourth proportional to 204,642.56, 282,341.76 and 115,201.28 is: 158,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,642.56 : 282,341.76 = 115,201.28 : x
  2. Step 2: Convert to fraction form
    204,642.56/282,341.76 = 115,201.28/x
  3. Step 3: Cross multiply
    204,642.56x = 282,341.76 × 115,201.28
  4. Step 4: Simplify right side
    204,642.56x = 32,526,132,149.45
  5. Step 5: Solve for x
    x = 32,526,132,149.45/204,642.56
  6. Step 6: Final answer
    x = 158,941.19

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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.