Home / 189,174.33-261,062.39-104,294.43

Finding the Fourth Proportional to 189,174.33, 261,062.39 and 104,294.43

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Solution

The fourth proportional to 189,174.33, 261,062.39 and 104,294.43 is: 143,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,174.33 : 261,062.39 = 104,294.43 : x
  2. Step 2: Convert to fraction form
    189,174.33/261,062.39 = 104,294.43/x
  3. Step 3: Cross multiply
    189,174.33x = 261,062.39 × 104,294.43
  4. Step 4: Simplify right side
    189,174.33x = 27,227,353,420.22
  5. Step 5: Solve for x
    x = 27,227,353,420.22/189,174.33
  6. Step 6: Final answer
    x = 143,927.32

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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.