Home / 178,914.15-246,924.86-115,436.61

Finding the Fourth Proportional to 178,914.15, 246,924.86 and 115,436.61

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Solution

The fourth proportional to 178,914.15, 246,924.86 and 115,436.61 is: 159,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,914.15 : 246,924.86 = 115,436.61 : x
  2. Step 2: Convert to fraction form
    178,914.15/246,924.86 = 115,436.61/x
  3. Step 3: Cross multiply
    178,914.15x = 246,924.86 × 115,436.61
  4. Step 4: Simplify right side
    178,914.15x = 28,504,168,185.94
  5. Step 5: Solve for x
    x = 28,504,168,185.94/178,914.15
  6. Step 6: Final answer
    x = 159,317.57

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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.