Home / 106,422.96-146,876.97-61,115.10

Finding the Fourth Proportional to 106,422.96, 146,876.97 and 61,115.10

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Solution

The fourth proportional to 106,422.96, 146,876.97 and 61,115.10 is: 84,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,422.96 : 146,876.97 = 61,115.10 : x
  2. Step 2: Convert to fraction form
    106,422.96/146,876.97 = 61,115.10/x
  3. Step 3: Cross multiply
    106,422.96x = 146,876.97 × 61,115.10
  4. Step 4: Simplify right side
    106,422.96x = 8,976,400,709.25
  5. Step 5: Solve for x
    x = 8,976,400,709.25/106,422.96
  6. Step 6: Final answer
    x = 84,346.47

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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.