Home / 126,666.57-189,999.69-50,799.33

Finding the Fourth Proportional to 126,666.57, 189,999.69 and 50,799.33

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Solution

The fourth proportional to 126,666.57, 189,999.69 and 50,799.33 is: 76,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,666.57 : 189,999.69 = 50,799.33 : x
  2. Step 2: Convert to fraction form
    126,666.57/189,999.69 = 50,799.33/x
  3. Step 3: Cross multiply
    126,666.57x = 189,999.69 × 50,799.33
  4. Step 4: Simplify right side
    126,666.57x = 9,651,856,952.21
  5. Step 5: Solve for x
    x = 9,651,856,952.21/126,666.57
  6. Step 6: Final answer
    x = 76,198.93

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1.5x scale

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.