Home / 126,268.20-189,607.10-91,452.20

Finding the Fourth Proportional to 126,268.20, 189,607.10 and 91,452.20

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Solution

The fourth proportional to 126,268.20, 189,607.10 and 91,452.20 is: 137,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,268.20 : 189,607.10 = 91,452.20 : x
  2. Step 2: Convert to fraction form
    126,268.20/189,607.10 = 91,452.20/x
  3. Step 3: Cross multiply
    126,268.20x = 189,607.10 × 91,452.20
  4. Step 4: Simplify right side
    126,268.20x = 17,339,986,430.62
  5. Step 5: Solve for x
    x = 17,339,986,430.62/126,268.20
  6. Step 6: Final answer
    x = 137,326.63

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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.