Home / 134,450.97-185,540.31-80,041.14

Finding the Fourth Proportional to 134,450.97, 185,540.31 and 80,041.14

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Solution

The fourth proportional to 134,450.97, 185,540.31 and 80,041.14 is: 110,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,450.97 : 185,540.31 = 80,041.14 : x
  2. Step 2: Convert to fraction form
    134,450.97/185,540.31 = 80,041.14/x
  3. Step 3: Cross multiply
    134,450.97x = 185,540.31 × 80,041.14
  4. Step 4: Simplify right side
    134,450.97x = 14,850,857,928.35
  5. Step 5: Solve for x
    x = 14,850,857,928.35/134,450.97
  6. Step 6: Final answer
    x = 110,455.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.