Home / 216,979.30-325,517.55-83,847.70

Finding the Fourth Proportional to 216,979.30, 325,517.55 and 83,847.70

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Solution

The fourth proportional to 216,979.30, 325,517.55 and 83,847.70 is: 125,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,979.30 : 325,517.55 = 83,847.70 : x
  2. Step 2: Convert to fraction form
    216,979.30/325,517.55 = 83,847.70/x
  3. Step 3: Cross multiply
    216,979.30x = 325,517.55 × 83,847.70
  4. Step 4: Simplify right side
    216,979.30x = 27,293,897,877.14
  5. Step 5: Solve for x
    x = 27,293,897,877.14/216,979.30
  6. Step 6: Final answer
    x = 125,790.33

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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.