Home / 189,022.63-283,586.49-82,415.90

Finding the Fourth Proportional to 189,022.63, 283,586.49 and 82,415.90

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Solution

The fourth proportional to 189,022.63, 283,586.49 and 82,415.90 is: 123,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,022.63 : 283,586.49 = 82,415.90 : x
  2. Step 2: Convert to fraction form
    189,022.63/283,586.49 = 82,415.90/x
  3. Step 3: Cross multiply
    189,022.63x = 283,586.49 × 82,415.90
  4. Step 4: Simplify right side
    189,022.63x = 23,372,034,680.15
  5. Step 5: Solve for x
    x = 23,372,034,680.15/189,022.63
  6. Step 6: Final answer
    x = 123,646.76

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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.