Home / 136,524.78-188,405.06-76,099.25

Finding the Fourth Proportional to 136,524.78, 188,405.06 and 76,099.25

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Solution

The fourth proportional to 136,524.78, 188,405.06 and 76,099.25 is: 105,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,524.78 : 188,405.06 = 76,099.25 : x
  2. Step 2: Convert to fraction form
    136,524.78/188,405.06 = 76,099.25/x
  3. Step 3: Cross multiply
    136,524.78x = 188,405.06 × 76,099.25
  4. Step 4: Simplify right side
    136,524.78x = 14,337,482,439.68
  5. Step 5: Solve for x
    x = 14,337,482,439.68/136,524.78
  6. Step 6: Final answer
    x = 105,017.44

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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.