Home / 106,081.36-146,392.20-58,335.44

Finding the Fourth Proportional to 106,081.36, 146,392.20 and 58,335.44

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Solution

The fourth proportional to 106,081.36, 146,392.20 and 58,335.44 is: 80,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,081.36 : 146,392.20 = 58,335.44 : x
  2. Step 2: Convert to fraction form
    106,081.36/146,392.20 = 58,335.44/x
  3. Step 3: Cross multiply
    106,081.36x = 146,392.20 × 58,335.44
  4. Step 4: Simplify right side
    106,081.36x = 8,539,853,399.57
  5. Step 5: Solve for x
    x = 8,539,853,399.57/106,081.36
  6. Step 6: Final answer
    x = 80,502.86

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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.