Home / 189,584.20-284,157.58-71,180

Finding the Fourth Proportional to 189,584.20, 284,157.58 and 71,180

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Solution

The fourth proportional to 189,584.20, 284,157.58 and 71,180 is: 106,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,584.20 : 284,157.58 = 71,180 : x
  2. Step 2: Convert to fraction form
    189,584.20/284,157.58 = 71,180/x
  3. Step 3: Cross multiply
    189,584.20x = 284,157.58 × 71,180
  4. Step 4: Simplify right side
    189,584.20x = 20,226,336,544.40
  5. Step 5: Solve for x
    x = 20,226,336,544.40/189,584.20
  6. Step 6: Final answer
    x = 106,687.88

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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.