Home / 231,068.22-318,882.60-127,703.31

Finding the Fourth Proportional to 231,068.22, 318,882.60 and 127,703.31

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Solution

The fourth proportional to 231,068.22, 318,882.60 and 127,703.31 is: 176,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,068.22 : 318,882.60 = 127,703.31 : x
  2. Step 2: Convert to fraction form
    231,068.22/318,882.60 = 127,703.31/x
  3. Step 3: Cross multiply
    231,068.22x = 318,882.60 × 127,703.31
  4. Step 4: Simplify right side
    231,068.22x = 40,722,363,521.41
  5. Step 5: Solve for x
    x = 40,722,363,521.41/231,068.22
  6. Step 6: Final answer
    x = 176,235.24

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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.