Home / 189,244.08-283,860-76,891.12

Finding the Fourth Proportional to 189,244.08, 283,860 and 76,891.12

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Solution

The fourth proportional to 189,244.08, 283,860 and 76,891.12 is: 115,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,244.08 : 283,860 = 76,891.12 : x
  2. Step 2: Convert to fraction form
    189,244.08/283,860 = 76,891.12/x
  3. Step 3: Cross multiply
    189,244.08x = 283,860 × 76,891.12
  4. Step 4: Simplify right side
    189,244.08x = 21,826,313,323.20
  5. Step 5: Solve for x
    x = 21,826,313,323.20/189,244.08
  6. Step 6: Final answer
    x = 115,334.19

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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.