Home / 202,022.64-278,793.20-111,382.14

Finding the Fourth Proportional to 202,022.64, 278,793.20 and 111,382.14

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Solution

The fourth proportional to 202,022.64, 278,793.20 and 111,382.14 is: 153,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,022.64 : 278,793.20 = 111,382.14 : x
  2. Step 2: Convert to fraction form
    202,022.64/278,793.20 = 111,382.14/x
  3. Step 3: Cross multiply
    202,022.64x = 278,793.20 × 111,382.14
  4. Step 4: Simplify right side
    202,022.64x = 31,052,583,233.45
  5. Step 5: Solve for x
    x = 31,052,583,233.45/202,022.64
  6. Step 6: Final answer
    x = 153,708.43

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1.5x scale

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.