Home / 239,131.28-330,016.08-131,701.28

Finding the Fourth Proportional to 239,131.28, 330,016.08 and 131,701.28

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Solution

The fourth proportional to 239,131.28, 330,016.08 and 131,701.28 is: 181,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,131.28 : 330,016.08 = 131,701.28 : x
  2. Step 2: Convert to fraction form
    239,131.28/330,016.08 = 131,701.28/x
  3. Step 3: Cross multiply
    239,131.28x = 330,016.08 × 131,701.28
  4. Step 4: Simplify right side
    239,131.28x = 43,463,540,156.58
  5. Step 5: Solve for x
    x = 43,463,540,156.58/239,131.28
  6. Step 6: Final answer
    x = 181,755.98

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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.