Home / 136,405.67-188,245.62-75,976.33

Finding the Fourth Proportional to 136,405.67, 188,245.62 and 75,976.33

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Solution

The fourth proportional to 136,405.67, 188,245.62 and 75,976.33 is: 104,850.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,405.67 : 188,245.62 = 75,976.33 : x
  2. Step 2: Convert to fraction form
    136,405.67/188,245.62 = 75,976.33/x
  3. Step 3: Cross multiply
    136,405.67x = 188,245.62 × 75,976.33
  4. Step 4: Simplify right side
    136,405.67x = 14,302,211,228.52
  5. Step 5: Solve for x
    x = 14,302,211,228.52/136,405.67
  6. Step 6: Final answer
    x = 104,850.56

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1.5x scale

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.