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Finding the Fourth Proportional to 192,017.92, 287,752.38 and 141,016.92

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Solution

The fourth proportional to 192,017.92, 287,752.38 and 141,016.92 is: 211,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,017.92 : 287,752.38 = 141,016.92 : x
  2. Step 2: Convert to fraction form
    192,017.92/287,752.38 = 141,016.92/x
  3. Step 3: Cross multiply
    192,017.92x = 287,752.38 × 141,016.92
  4. Step 4: Simplify right side
    192,017.92x = 40,577,954,350.27
  5. Step 5: Solve for x
    x = 40,577,954,350.27/192,017.92
  6. Step 6: Final answer
    x = 211,323.79

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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.