Home / 189,514-261,525.43-108,939.46

Finding the Fourth Proportional to 189,514, 261,525.43 and 108,939.46

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Solution

The fourth proportional to 189,514, 261,525.43 and 108,939.46 is: 150,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,514 : 261,525.43 = 108,939.46 : x
  2. Step 2: Convert to fraction form
    189,514/261,525.43 = 108,939.46/x
  3. Step 3: Cross multiply
    189,514x = 261,525.43 × 108,939.46
  4. Step 4: Simplify right side
    189,514x = 28,490,439,120.47
  5. Step 5: Solve for x
    x = 28,490,439,120.47/189,514
  6. Step 6: Final answer
    x = 150,334.22

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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.