Home / 90,180.28-135,292.68-27,850.78

Finding the Fourth Proportional to 90,180.28, 135,292.68 and 27,850.78

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Solution

The fourth proportional to 90,180.28, 135,292.68 and 27,850.78 is: 41,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,180.28 : 135,292.68 = 27,850.78 : x
  2. Step 2: Convert to fraction form
    90,180.28/135,292.68 = 27,850.78/x
  3. Step 3: Cross multiply
    90,180.28x = 135,292.68 × 27,850.78
  4. Step 4: Simplify right side
    90,180.28x = 3,768,006,666.29
  5. Step 5: Solve for x
    x = 3,768,006,666.29/90,180.28
  6. Step 6: Final answer
    x = 41,783.04

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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.