Home / 217,336.16-325,976.55-84,125.28

Finding the Fourth Proportional to 217,336.16, 325,976.55 and 84,125.28

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Solution

The fourth proportional to 217,336.16, 325,976.55 and 84,125.28 is: 126,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,336.16 : 325,976.55 = 84,125.28 : x
  2. Step 2: Convert to fraction form
    217,336.16/325,976.55 = 84,125.28/x
  3. Step 3: Cross multiply
    217,336.16x = 325,976.55 × 84,125.28
  4. Step 4: Simplify right side
    217,336.16x = 27,422,868,542.18
  5. Step 5: Solve for x
    x = 27,422,868,542.18/217,336.16
  6. Step 6: Final answer
    x = 126,177.20

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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.