Home / 189,222.75-283,834.13-76,964.04

Finding the Fourth Proportional to 189,222.75, 283,834.13 and 76,964.04

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Solution

The fourth proportional to 189,222.75, 283,834.13 and 76,964.04 is: 115,446.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,222.75 : 283,834.13 = 76,964.04 : x
  2. Step 2: Convert to fraction form
    189,222.75/283,834.13 = 76,964.04/x
  3. Step 3: Cross multiply
    189,222.75x = 283,834.13 × 76,964.04
  4. Step 4: Simplify right side
    189,222.75x = 21,845,020,949.87
  5. Step 5: Solve for x
    x = 21,845,020,949.87/189,222.75
  6. Step 6: Final answer
    x = 115,446.06

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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.