Home / 136,176.82-187,924-76,560.82

Finding the Fourth Proportional to 136,176.82, 187,924 and 76,560.82

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Solution

The fourth proportional to 136,176.82, 187,924 and 76,560.82 is: 105,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,176.82 : 187,924 = 76,560.82 : x
  2. Step 2: Convert to fraction form
    136,176.82/187,924 = 76,560.82/x
  3. Step 3: Cross multiply
    136,176.82x = 187,924 × 76,560.82
  4. Step 4: Simplify right side
    136,176.82x = 14,387,615,537.68
  5. Step 5: Solve for x
    x = 14,387,615,537.68/136,176.82
  6. Step 6: Final answer
    x = 105,653.93

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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.