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Finding the Fourth Proportional to 189,480.45, 284,159.09 and 63,086.73

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Solution

The fourth proportional to 189,480.45, 284,159.09 and 63,086.73 is: 94,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,480.45 : 284,159.09 = 63,086.73 : x
  2. Step 2: Convert to fraction form
    189,480.45/284,159.09 = 63,086.73/x
  3. Step 3: Cross multiply
    189,480.45x = 284,159.09 × 63,086.73
  4. Step 4: Simplify right side
    189,480.45x = 17,926,667,787.88
  5. Step 5: Solve for x
    x = 17,926,667,787.88/189,480.45
  6. Step 6: Final answer
    x = 94,609.59

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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.