Home / 189,486.26-261,489.44-104,601.50

Finding the Fourth Proportional to 189,486.26, 261,489.44 and 104,601.50

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Solution

The fourth proportional to 189,486.26, 261,489.44 and 104,601.50 is: 144,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,486.26 : 261,489.44 = 104,601.50 : x
  2. Step 2: Convert to fraction form
    189,486.26/261,489.44 = 104,601.50/x
  3. Step 3: Cross multiply
    189,486.26x = 261,489.44 × 104,601.50
  4. Step 4: Simplify right side
    189,486.26x = 27,352,187,135.15
  5. Step 5: Solve for x
    x = 27,352,187,135.15/189,486.26
  6. Step 6: Final answer
    x = 144,349.18

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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.