Home / 80,795.25-121,215.92-27,498.92

Finding the Fourth Proportional to 80,795.25, 121,215.92 and 27,498.92

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Solution

The fourth proportional to 80,795.25, 121,215.92 and 27,498.92 is: 41,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,795.25 : 121,215.92 = 27,498.92 : x
  2. Step 2: Convert to fraction form
    80,795.25/121,215.92 = 27,498.92/x
  3. Step 3: Cross multiply
    80,795.25x = 121,215.92 × 27,498.92
  4. Step 4: Simplify right side
    80,795.25x = 3,333,306,143.23
  5. Step 5: Solve for x
    x = 3,333,306,143.23/80,795.25
  6. Step 6: Final answer
    x = 41,256.21

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1.5x scale

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.