Home / 189,191.16-283,815.90-64,503

Finding the Fourth Proportional to 189,191.16, 283,815.90 and 64,503

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Solution

The fourth proportional to 189,191.16, 283,815.90 and 64,503 is: 96,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,191.16 : 283,815.90 = 64,503 : x
  2. Step 2: Convert to fraction form
    189,191.16/283,815.90 = 64,503/x
  3. Step 3: Cross multiply
    189,191.16x = 283,815.90 × 64,503
  4. Step 4: Simplify right side
    189,191.16x = 18,306,976,997.70
  5. Step 5: Solve for x
    x = 18,306,976,997.70/189,191.16
  6. Step 6: Final answer
    x = 96,764.44

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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.