Home / 231,175.72-319,006.38-130,554.28

Finding the Fourth Proportional to 231,175.72, 319,006.38 and 130,554.28

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Solution

The fourth proportional to 231,175.72, 319,006.38 and 130,554.28 is: 180,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,175.72 : 319,006.38 = 130,554.28 : x
  2. Step 2: Convert to fraction form
    231,175.72/319,006.38 = 130,554.28/x
  3. Step 3: Cross multiply
    231,175.72x = 319,006.38 × 130,554.28
  4. Step 4: Simplify right side
    231,175.72x = 41,647,648,256.31
  5. Step 5: Solve for x
    x = 41,647,648,256.31/231,175.72
  6. Step 6: Final answer
    x = 180,155.81

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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.