Home / 90,845.44-136,268.21-40,867.16

Finding the Fourth Proportional to 90,845.44, 136,268.21 and 40,867.16

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Solution

The fourth proportional to 90,845.44, 136,268.21 and 40,867.16 is: 61,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.44 : 136,268.21 = 40,867.16 : x
  2. Step 2: Convert to fraction form
    90,845.44/136,268.21 = 40,867.16/x
  3. Step 3: Cross multiply
    90,845.44x = 136,268.21 × 40,867.16
  4. Step 4: Simplify right side
    90,845.44x = 5,568,894,740.98
  5. Step 5: Solve for x
    x = 5,568,894,740.98/90,845.44
  6. Step 6: Final answer
    x = 61,300.76

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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.