Home / 163,542.32-225,694.79-91,922.12

Finding the Fourth Proportional to 163,542.32, 225,694.79 and 91,922.12

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Solution

The fourth proportional to 163,542.32, 225,694.79 and 91,922.12 is: 126,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,542.32 : 225,694.79 = 91,922.12 : x
  2. Step 2: Convert to fraction form
    163,542.32/225,694.79 = 91,922.12/x
  3. Step 3: Cross multiply
    163,542.32x = 225,694.79 × 91,922.12
  4. Step 4: Simplify right side
    163,542.32x = 20,746,342,671.09
  5. Step 5: Solve for x
    x = 20,746,342,671.09/163,542.32
  6. Step 6: Final answer
    x = 126,856.11

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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.