Home / 136,362.24-188,186.22-75,936.78

Finding the Fourth Proportional to 136,362.24, 188,186.22 and 75,936.78

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Solution

The fourth proportional to 136,362.24, 188,186.22 and 75,936.78 is: 104,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,362.24 : 188,186.22 = 75,936.78 : x
  2. Step 2: Convert to fraction form
    136,362.24/188,186.22 = 75,936.78/x
  3. Step 3: Cross multiply
    136,362.24x = 188,186.22 × 75,936.78
  4. Step 4: Simplify right side
    136,362.24x = 14,290,255,587.17
  5. Step 5: Solve for x
    x = 14,290,255,587.17/136,362.24
  6. Step 6: Final answer
    x = 104,796.28

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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.