Home / 189,785.96-261,884.58-104,889.32

Finding the Fourth Proportional to 189,785.96, 261,884.58 and 104,889.32

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Solution

The fourth proportional to 189,785.96, 261,884.58 and 104,889.32 is: 144,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,785.96 : 261,884.58 = 104,889.32 : x
  2. Step 2: Convert to fraction form
    189,785.96/261,884.58 = 104,889.32/x
  3. Step 3: Cross multiply
    189,785.96x = 261,884.58 × 104,889.32
  4. Step 4: Simplify right side
    189,785.96x = 27,468,895,514.69
  5. Step 5: Solve for x
    x = 27,468,895,514.69/189,785.96
  6. Step 6: Final answer
    x = 144,736.18

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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.