Home / 72,182.24-108,244.68-27,784.40

Finding the Fourth Proportional to 72,182.24, 108,244.68 and 27,784.40

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Solution

The fourth proportional to 72,182.24, 108,244.68 and 27,784.40 is: 41,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,182.24 : 108,244.68 = 27,784.40 : x
  2. Step 2: Convert to fraction form
    72,182.24/108,244.68 = 27,784.40/x
  3. Step 3: Cross multiply
    72,182.24x = 108,244.68 × 27,784.40
  4. Step 4: Simplify right side
    72,182.24x = 3,007,513,486.99
  5. Step 5: Solve for x
    x = 3,007,513,486.99/72,182.24
  6. Step 6: Final answer
    x = 41,665.56

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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.