Home / 90,739.40-136,114.46-27,561.62

Finding the Fourth Proportional to 90,739.40, 136,114.46 and 27,561.62

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Solution

The fourth proportional to 90,739.40, 136,114.46 and 27,561.62 is: 41,344.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,739.40 : 136,114.46 = 27,561.62 : x
  2. Step 2: Convert to fraction form
    90,739.40/136,114.46 = 27,561.62/x
  3. Step 3: Cross multiply
    90,739.40x = 136,114.46 × 27,561.62
  4. Step 4: Simplify right side
    90,739.40x = 3,751,535,023.03
  5. Step 5: Solve for x
    x = 3,751,535,023.03/90,739.40
  6. Step 6: Final answer
    x = 41,344.06

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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.