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Finding the Fourth Proportional to 189,002.84, 283,506.35 and 80,917.65

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Solution

The fourth proportional to 189,002.84, 283,506.35 and 80,917.65 is: 121,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,002.84 : 283,506.35 = 80,917.65 : x
  2. Step 2: Convert to fraction form
    189,002.84/283,506.35 = 80,917.65/x
  3. Step 3: Cross multiply
    189,002.84x = 283,506.35 × 80,917.65
  4. Step 4: Simplify right side
    189,002.84x = 22,940,667,197.49
  5. Step 5: Solve for x
    x = 22,940,667,197.49/189,002.84
  6. Step 6: Final answer
    x = 121,377.37

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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.