Home / 72,189.36-108,251.24-22,260.16

Finding the Fourth Proportional to 72,189.36, 108,251.24 and 22,260.16

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Solution

The fourth proportional to 72,189.36, 108,251.24 and 22,260.16 is: 33,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,189.36 : 108,251.24 = 22,260.16 : x
  2. Step 2: Convert to fraction form
    72,189.36/108,251.24 = 22,260.16/x
  3. Step 3: Cross multiply
    72,189.36x = 108,251.24 × 22,260.16
  4. Step 4: Simplify right side
    72,189.36x = 2,409,689,922.60
  5. Step 5: Solve for x
    x = 2,409,689,922.60/72,189.36
  6. Step 6: Final answer
    x = 33,380.13

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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.