Home / 239,281.41-330,223.06-131,851.43

Finding the Fourth Proportional to 239,281.41, 330,223.06 and 131,851.43

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Solution

The fourth proportional to 239,281.41, 330,223.06 and 131,851.43 is: 181,963.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,281.41 : 330,223.06 = 131,851.43 : x
  2. Step 2: Convert to fraction form
    239,281.41/330,223.06 = 131,851.43/x
  3. Step 3: Cross multiply
    239,281.41x = 330,223.06 × 131,851.43
  4. Step 4: Simplify right side
    239,281.41x = 43,540,382,679.98
  5. Step 5: Solve for x
    x = 43,540,382,679.98/239,281.41
  6. Step 6: Final answer
    x = 181,963.08

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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.