Home / 126,208.11-189,286.70-46,218.77

Finding the Fourth Proportional to 126,208.11, 189,286.70 and 46,218.77

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Solution

The fourth proportional to 126,208.11, 189,286.70 and 46,218.77 is: 69,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,208.11 : 189,286.70 = 46,218.77 : x
  2. Step 2: Convert to fraction form
    126,208.11/189,286.70 = 46,218.77/x
  3. Step 3: Cross multiply
    126,208.11x = 189,286.70 × 46,218.77
  4. Step 4: Simplify right side
    126,208.11x = 8,748,598,220.27
  5. Step 5: Solve for x
    x = 8,748,598,220.27/126,208.11
  6. Step 6: Final answer
    x = 69,318.83

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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.