Home / 154,447.44-231,431.19-74,399.19

Finding the Fourth Proportional to 154,447.44, 231,431.19 and 74,399.19

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Solution

The fourth proportional to 154,447.44, 231,431.19 and 74,399.19 is: 111,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,447.44 : 231,431.19 = 74,399.19 : x
  2. Step 2: Convert to fraction form
    154,447.44/231,431.19 = 74,399.19/x
  3. Step 3: Cross multiply
    154,447.44x = 231,431.19 × 74,399.19
  4. Step 4: Simplify right side
    154,447.44x = 17,218,293,076.74
  5. Step 5: Solve for x
    x = 17,218,293,076.74/154,447.44
  6. Step 6: Final answer
    x = 111,483.19

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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.