Home / 72,191.08-108,305.07-27,805.91

Finding the Fourth Proportional to 72,191.08, 108,305.07 and 27,805.91

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Solution

The fourth proportional to 72,191.08, 108,305.07 and 27,805.91 is: 41,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,191.08 : 108,305.07 = 27,805.91 : x
  2. Step 2: Convert to fraction form
    72,191.08/108,305.07 = 27,805.91/x
  3. Step 3: Cross multiply
    72,191.08x = 108,305.07 × 27,805.91
  4. Step 4: Simplify right side
    72,191.08x = 3,011,521,299.73
  5. Step 5: Solve for x
    x = 3,011,521,299.73/72,191.08
  6. Step 6: Final answer
    x = 41,715.98

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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.