Home / 189,176.72-261,065.62-104,296.82

Finding the Fourth Proportional to 189,176.72, 261,065.62 and 104,296.82

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Solution

The fourth proportional to 189,176.72, 261,065.62 and 104,296.82 is: 143,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,176.72 : 261,065.62 = 104,296.82 : x
  2. Step 2: Convert to fraction form
    189,176.72/261,065.62 = 104,296.82/x
  3. Step 3: Cross multiply
    189,176.72x = 261,065.62 × 104,296.82
  4. Step 4: Simplify right side
    189,176.72x = 27,228,313,977.33
  5. Step 5: Solve for x
    x = 27,228,313,977.33/189,176.72
  6. Step 6: Final answer
    x = 143,930.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.