Home / 188,951.14-260,747.32-102,908.24

Finding the Fourth Proportional to 188,951.14, 260,747.32 and 102,908.24

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Solution

The fourth proportional to 188,951.14, 260,747.32 and 102,908.24 is: 142,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,951.14 : 260,747.32 = 102,908.24 : x
  2. Step 2: Convert to fraction form
    188,951.14/260,747.32 = 102,908.24/x
  3. Step 3: Cross multiply
    188,951.14x = 260,747.32 × 102,908.24
  4. Step 4: Simplify right side
    188,951.14x = 26,833,047,785.92
  5. Step 5: Solve for x
    x = 26,833,047,785.92/188,951.14
  6. Step 6: Final answer
    x = 142,010.51

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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.