Home / 149,470.11-223,214.37-131,361.75

Finding the Fourth Proportional to 149,470.11, 223,214.37 and 131,361.75

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Solution

The fourth proportional to 149,470.11, 223,214.37 and 131,361.75 is: 196,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,470.11 : 223,214.37 = 131,361.75 : x
  2. Step 2: Convert to fraction form
    149,470.11/223,214.37 = 131,361.75/x
  3. Step 3: Cross multiply
    149,470.11x = 223,214.37 × 131,361.75
  4. Step 4: Simplify right side
    149,470.11x = 29,321,830,268.35
  5. Step 5: Solve for x
    x = 29,321,830,268.35/149,470.11
  6. Step 6: Final answer
    x = 196,171.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.