Home / 98,845.82-136,466.10-61,171.10

Finding the Fourth Proportional to 98,845.82, 136,466.10 and 61,171.10

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Solution

The fourth proportional to 98,845.82, 136,466.10 and 61,171.10 is: 84,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.82 : 136,466.10 = 61,171.10 : x
  2. Step 2: Convert to fraction form
    98,845.82/136,466.10 = 61,171.10/x
  3. Step 3: Cross multiply
    98,845.82x = 136,466.10 × 61,171.10
  4. Step 4: Simplify right side
    98,845.82x = 8,347,781,449.71
  5. Step 5: Solve for x
    x = 8,347,781,449.71/98,845.82
  6. Step 6: Final answer
    x = 84,452.55

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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.