Home / 98,218.78-135,538.31-60,042.26

Finding the Fourth Proportional to 98,218.78, 135,538.31 and 60,042.26

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Solution

The fourth proportional to 98,218.78, 135,538.31 and 60,042.26 is: 82,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,218.78 : 135,538.31 = 60,042.26 : x
  2. Step 2: Convert to fraction form
    98,218.78/135,538.31 = 60,042.26/x
  3. Step 3: Cross multiply
    98,218.78x = 135,538.31 × 60,042.26
  4. Step 4: Simplify right side
    98,218.78x = 8,138,026,148.77
  5. Step 5: Solve for x
    x = 8,138,026,148.77/98,218.78
  6. Step 6: Final answer
    x = 82,856.12

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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.