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Finding the Fourth Proportional to 188,797.84, 283,197.53 and 76,480.21

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Solution

The fourth proportional to 188,797.84, 283,197.53 and 76,480.21 is: 114,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,797.84 : 283,197.53 = 76,480.21 : x
  2. Step 2: Convert to fraction form
    188,797.84/283,197.53 = 76,480.21/x
  3. Step 3: Cross multiply
    188,797.84x = 283,197.53 × 76,480.21
  4. Step 4: Simplify right side
    188,797.84x = 21,659,005,087.89
  5. Step 5: Solve for x
    x = 21,659,005,087.89/188,797.84
  6. Step 6: Final answer
    x = 114,720.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.