Home / 90,207.72-135,268.92-27,003.42

Finding the Fourth Proportional to 90,207.72, 135,268.92 and 27,003.42

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Solution

The fourth proportional to 90,207.72, 135,268.92 and 27,003.42 is: 40,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,207.72 : 135,268.92 = 27,003.42 : x
  2. Step 2: Convert to fraction form
    90,207.72/135,268.92 = 27,003.42/x
  3. Step 3: Cross multiply
    90,207.72x = 135,268.92 × 27,003.42
  4. Step 4: Simplify right side
    90,207.72x = 3,652,723,459.71
  5. Step 5: Solve for x
    x = 3,652,723,459.71/90,207.72
  6. Step 6: Final answer
    x = 40,492.36

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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.