Home / 189,162.21-261,045.60-104,282.31

Finding the Fourth Proportional to 189,162.21, 261,045.60 and 104,282.31

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Solution

The fourth proportional to 189,162.21, 261,045.60 and 104,282.31 is: 143,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,162.21 : 261,045.60 = 104,282.31 : x
  2. Step 2: Convert to fraction form
    189,162.21/261,045.60 = 104,282.31/x
  3. Step 3: Cross multiply
    189,162.21x = 261,045.60 × 104,282.31
  4. Step 4: Simplify right side
    189,162.21x = 27,222,438,183.34
  5. Step 5: Solve for x
    x = 27,222,438,183.34/189,162.21
  6. Step 6: Final answer
    x = 143,910.55

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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.