Home / 90,468.13-135,665.73-27,268.69

Finding the Fourth Proportional to 90,468.13, 135,665.73 and 27,268.69

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Solution

The fourth proportional to 90,468.13, 135,665.73 and 27,268.69 is: 40,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,468.13 : 135,665.73 = 27,268.69 : x
  2. Step 2: Convert to fraction form
    90,468.13/135,665.73 = 27,268.69/x
  3. Step 3: Cross multiply
    90,468.13x = 135,665.73 × 27,268.69
  4. Step 4: Simplify right side
    90,468.13x = 3,699,426,734.99
  5. Step 5: Solve for x
    x = 3,699,426,734.99/90,468.13
  6. Step 6: Final answer
    x = 40,892.04

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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.