Home / 189,174.65-261,063.03-104,294.75

Finding the Fourth Proportional to 189,174.65, 261,063.03 and 104,294.75

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Solution

The fourth proportional to 189,174.65, 261,063.03 and 104,294.75 is: 143,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,174.65 : 261,063.03 = 104,294.75 : x
  2. Step 2: Convert to fraction form
    189,174.65/261,063.03 = 104,294.75/x
  3. Step 3: Cross multiply
    189,174.65x = 261,063.03 × 104,294.75
  4. Step 4: Simplify right side
    189,174.65x = 27,227,503,448.09
  5. Step 5: Solve for x
    x = 27,227,503,448.09/189,174.65
  6. Step 6: Final answer
    x = 143,927.86

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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.