Home / 177,633.50-266,639.94-76,481.61

Finding the Fourth Proportional to 177,633.50, 266,639.94 and 76,481.61

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Solution

The fourth proportional to 177,633.50, 266,639.94 and 76,481.61 is: 114,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,633.50 : 266,639.94 = 76,481.61 : x
  2. Step 2: Convert to fraction form
    177,633.50/266,639.94 = 76,481.61/x
  3. Step 3: Cross multiply
    177,633.50x = 266,639.94 × 76,481.61
  4. Step 4: Simplify right side
    177,633.50x = 20,393,050,185.90
  5. Step 5: Solve for x
    x = 20,393,050,185.90/177,633.50
  6. Step 6: Final answer
    x = 114,804.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.