Home / 255,177.06-382,906.53-105,382.50

Finding the Fourth Proportional to 255,177.06, 382,906.53 and 105,382.50

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Solution

The fourth proportional to 255,177.06, 382,906.53 and 105,382.50 is: 158,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,177.06 : 382,906.53 = 105,382.50 : x
  2. Step 2: Convert to fraction form
    255,177.06/382,906.53 = 105,382.50/x
  3. Step 3: Cross multiply
    255,177.06x = 382,906.53 × 105,382.50
  4. Step 4: Simplify right side
    255,177.06x = 40,351,647,397.73
  5. Step 5: Solve for x
    x = 40,351,647,397.73/255,177.06
  6. Step 6: Final answer
    x = 158,131.96

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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.