Home / 126,620.41-189,860.49-51,793.10

Finding the Fourth Proportional to 126,620.41, 189,860.49 and 51,793.10

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Solution

The fourth proportional to 126,620.41, 189,860.49 and 51,793.10 is: 77,660.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,620.41 : 189,860.49 = 51,793.10 : x
  2. Step 2: Convert to fraction form
    126,620.41/189,860.49 = 51,793.10/x
  3. Step 3: Cross multiply
    126,620.41x = 189,860.49 × 51,793.10
  4. Step 4: Simplify right side
    126,620.41x = 9,833,463,301.52
  5. Step 5: Solve for x
    x = 9,833,463,301.52/126,620.41
  6. Step 6: Final answer
    x = 77,660.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.