Home / 91,192.75-136,789.73-28,863.25

Finding the Fourth Proportional to 91,192.75, 136,789.73 and 28,863.25

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Solution

The fourth proportional to 91,192.75, 136,789.73 and 28,863.25 is: 43,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,192.75 : 136,789.73 = 28,863.25 : x
  2. Step 2: Convert to fraction form
    91,192.75/136,789.73 = 28,863.25/x
  3. Step 3: Cross multiply
    91,192.75x = 136,789.73 × 28,863.25
  4. Step 4: Simplify right side
    91,192.75x = 3,948,196,246.58
  5. Step 5: Solve for x
    x = 3,948,196,246.58/91,192.75
  6. Step 6: Final answer
    x = 43,295.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.