Home / 189,773.36-261,900.82-104,888.60

Finding the Fourth Proportional to 189,773.36, 261,900.82 and 104,888.60

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Solution

The fourth proportional to 189,773.36, 261,900.82 and 104,888.60 is: 144,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,773.36 : 261,900.82 = 104,888.60 : x
  2. Step 2: Convert to fraction form
    189,773.36/261,900.82 = 104,888.60/x
  3. Step 3: Cross multiply
    189,773.36x = 261,900.82 × 104,888.60
  4. Step 4: Simplify right side
    189,773.36x = 27,470,410,348.65
  5. Step 5: Solve for x
    x = 27,470,410,348.65/189,773.36
  6. Step 6: Final answer
    x = 144,753.78

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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.