Home / 189,128.33-260,993.99-104,253.29

Finding the Fourth Proportional to 189,128.33, 260,993.99 and 104,253.29

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Solution

The fourth proportional to 189,128.33, 260,993.99 and 104,253.29 is: 143,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,128.33 : 260,993.99 = 104,253.29 : x
  2. Step 2: Convert to fraction form
    189,128.33/260,993.99 = 104,253.29/x
  3. Step 3: Cross multiply
    189,128.33x = 260,993.99 × 104,253.29
  4. Step 4: Simplify right side
    189,128.33x = 27,209,481,606.46
  5. Step 5: Solve for x
    x = 27,209,481,606.46/189,128.33
  6. Step 6: Final answer
    x = 143,867.83

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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.