Home / 188,524.20-260,156.76-103,640.64

Finding the Fourth Proportional to 188,524.20, 260,156.76 and 103,640.64

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Solution

The fourth proportional to 188,524.20, 260,156.76 and 103,640.64 is: 143,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,524.20 : 260,156.76 = 103,640.64 : x
  2. Step 2: Convert to fraction form
    188,524.20/260,156.76 = 103,640.64/x
  3. Step 3: Cross multiply
    188,524.20x = 260,156.76 × 103,640.64
  4. Step 4: Simplify right side
    188,524.20x = 26,962,813,106.73
  5. Step 5: Solve for x
    x = 26,962,813,106.73/188,524.20
  6. Step 6: Final answer
    x = 143,020.44

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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.