Home / 154,272.96-231,331.68-75,268.80

Finding the Fourth Proportional to 154,272.96, 231,331.68 and 75,268.80

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Solution

The fourth proportional to 154,272.96, 231,331.68 and 75,268.80 is: 112,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,272.96 : 231,331.68 = 75,268.80 : x
  2. Step 2: Convert to fraction form
    154,272.96/231,331.68 = 75,268.80/x
  3. Step 3: Cross multiply
    154,272.96x = 231,331.68 × 75,268.80
  4. Step 4: Simplify right side
    154,272.96x = 17,412,057,955.58
  5. Step 5: Solve for x
    x = 17,412,057,955.58/154,272.96
  6. Step 6: Final answer
    x = 112,865.26

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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.