Home / 72,191.42-108,305.58-27,806.25

Finding the Fourth Proportional to 72,191.42, 108,305.58 and 27,806.25

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Solution

The fourth proportional to 72,191.42, 108,305.58 and 27,806.25 is: 41,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,191.42 : 108,305.58 = 27,806.25 : x
  2. Step 2: Convert to fraction form
    72,191.42/108,305.58 = 27,806.25/x
  3. Step 3: Cross multiply
    72,191.42x = 108,305.58 × 27,806.25
  4. Step 4: Simplify right side
    72,191.42x = 3,011,571,964.36
  5. Step 5: Solve for x
    x = 3,011,571,964.36/72,191.42
  6. Step 6: Final answer
    x = 41,716.48

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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.