Home / 189,181.04-261,081.60-104,298

Finding the Fourth Proportional to 189,181.04, 261,081.60 and 104,298

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Solution

The fourth proportional to 189,181.04, 261,081.60 and 104,298 is: 143,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,181.04 : 261,081.60 = 104,298 : x
  2. Step 2: Convert to fraction form
    189,181.04/261,081.60 = 104,298/x
  3. Step 3: Cross multiply
    189,181.04x = 261,081.60 × 104,298
  4. Step 4: Simplify right side
    189,181.04x = 27,230,288,716.80
  5. Step 5: Solve for x
    x = 27,230,288,716.80/189,181.04
  6. Step 6: Final answer
    x = 143,937.73

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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.