Home / 189,218.44-261,115.86-104,335.48

Finding the Fourth Proportional to 189,218.44, 261,115.86 and 104,335.48

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Solution

The fourth proportional to 189,218.44, 261,115.86 and 104,335.48 is: 143,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,218.44 : 261,115.86 = 104,335.48 : x
  2. Step 2: Convert to fraction form
    189,218.44/261,115.86 = 104,335.48/x
  3. Step 3: Cross multiply
    189,218.44x = 261,115.86 × 104,335.48
  4. Step 4: Simplify right side
    189,218.44x = 27,243,648,588.71
  5. Step 5: Solve for x
    x = 27,243,648,588.71/189,218.44
  6. Step 6: Final answer
    x = 143,979.88

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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.