Home / 189,743.68-261,843.87-104,858.92

Finding the Fourth Proportional to 189,743.68, 261,843.87 and 104,858.92

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Solution

The fourth proportional to 189,743.68, 261,843.87 and 104,858.92 is: 144,703.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,743.68 : 261,843.87 = 104,858.92 : x
  2. Step 2: Convert to fraction form
    189,743.68/261,843.87 = 104,858.92/x
  3. Step 3: Cross multiply
    189,743.68x = 261,843.87 × 104,858.92
  4. Step 4: Simplify right side
    189,743.68x = 27,456,665,416.82
  5. Step 5: Solve for x
    x = 27,456,665,416.82/189,743.68
  6. Step 6: Final answer
    x = 144,703.98

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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.