Home / 195,146.19-292,760.64-68,781.33

Finding the Fourth Proportional to 195,146.19, 292,760.64 and 68,781.33

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Solution

The fourth proportional to 195,146.19, 292,760.64 and 68,781.33 is: 103,186.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,146.19 : 292,760.64 = 68,781.33 : x
  2. Step 2: Convert to fraction form
    195,146.19/292,760.64 = 68,781.33/x
  3. Step 3: Cross multiply
    195,146.19x = 292,760.64 × 68,781.33
  4. Step 4: Simplify right side
    195,146.19x = 20,136,466,190.85
  5. Step 5: Solve for x
    x = 20,136,466,190.85/195,146.19
  6. Step 6: Final answer
    x = 103,186.57

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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.