Home / 189,241.38-283,855.86-76,888.26

Finding the Fourth Proportional to 189,241.38, 283,855.86 and 76,888.26

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Solution

The fourth proportional to 189,241.38, 283,855.86 and 76,888.26 is: 115,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,241.38 : 283,855.86 = 76,888.26 : x
  2. Step 2: Convert to fraction form
    189,241.38/283,855.86 = 76,888.26/x
  3. Step 3: Cross multiply
    189,241.38x = 283,855.86 × 76,888.26
  4. Step 4: Simplify right side
    189,241.38x = 21,825,183,166.20
  5. Step 5: Solve for x
    x = 21,825,183,166.20/189,241.38
  6. Step 6: Final answer
    x = 115,329.87

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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.