Home / 136,086.77-187,789.10-75,653.73

Finding the Fourth Proportional to 136,086.77, 187,789.10 and 75,653.73

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Solution

The fourth proportional to 136,086.77, 187,789.10 and 75,653.73 is: 104,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,086.77 : 187,789.10 = 75,653.73 : x
  2. Step 2: Convert to fraction form
    136,086.77/187,789.10 = 75,653.73/x
  3. Step 3: Cross multiply
    136,086.77x = 187,789.10 × 75,653.73
  4. Step 4: Simplify right side
    136,086.77x = 14,206,945,490.07
  5. Step 5: Solve for x
    x = 14,206,945,490.07/136,086.77
  6. Step 6: Final answer
    x = 104,396.23

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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.