Home / 195,005.10-292,540.05-76,680.30

Finding the Fourth Proportional to 195,005.10, 292,540.05 and 76,680.30

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Solution

The fourth proportional to 195,005.10, 292,540.05 and 76,680.30 is: 115,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,005.10 : 292,540.05 = 76,680.30 : x
  2. Step 2: Convert to fraction form
    195,005.10/292,540.05 = 76,680.30/x
  3. Step 3: Cross multiply
    195,005.10x = 292,540.05 × 76,680.30
  4. Step 4: Simplify right side
    195,005.10x = 22,432,058,796.02
  5. Step 5: Solve for x
    x = 22,432,058,796.02/195,005.10
  6. Step 6: Final answer
    x = 115,033.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.