Home / 188,612.33-260,286.86-102,573.15

Finding the Fourth Proportional to 188,612.33, 260,286.86 and 102,573.15

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Solution

The fourth proportional to 188,612.33, 260,286.86 and 102,573.15 is: 141,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,612.33 : 260,286.86 = 102,573.15 : x
  2. Step 2: Convert to fraction form
    188,612.33/260,286.86 = 102,573.15/x
  3. Step 3: Cross multiply
    188,612.33x = 260,286.86 × 102,573.15
  4. Step 4: Simplify right side
    188,612.33x = 26,698,442,620.94
  5. Step 5: Solve for x
    x = 26,698,442,620.94/188,612.33
  6. Step 6: Final answer
    x = 141,551.95

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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.