Home / 136,114.46-187,825.12-126,083.42

Finding the Fourth Proportional to 136,114.46, 187,825.12 and 126,083.42

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Solution

The fourth proportional to 136,114.46, 187,825.12 and 126,083.42 is: 173,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,114.46 : 187,825.12 = 126,083.42 : x
  2. Step 2: Convert to fraction form
    136,114.46/187,825.12 = 126,083.42/x
  3. Step 3: Cross multiply
    136,114.46x = 187,825.12 × 126,083.42
  4. Step 4: Simplify right side
    136,114.46x = 23,681,632,237.18
  5. Step 5: Solve for x
    x = 23,681,632,237.18/136,114.46
  6. Step 6: Final answer
    x = 173,983.23

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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.