Home / 188,056.80-259,516.86-102,015.54

Finding the Fourth Proportional to 188,056.80, 259,516.86 and 102,015.54

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Solution

The fourth proportional to 188,056.80, 259,516.86 and 102,015.54 is: 140,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,056.80 : 259,516.86 = 102,015.54 : x
  2. Step 2: Convert to fraction form
    188,056.80/259,516.86 = 102,015.54/x
  3. Step 3: Cross multiply
    188,056.80x = 259,516.86 × 102,015.54
  4. Step 4: Simplify right side
    188,056.80x = 26,474,752,612.00
  5. Step 5: Solve for x
    x = 26,474,752,612.00/188,056.80
  6. Step 6: Final answer
    x = 140,780.62

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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.