Home / 138,866.09-208,299.43-50,182.22

Finding the Fourth Proportional to 138,866.09, 208,299.43 and 50,182.22

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Solution

The fourth proportional to 138,866.09, 208,299.43 and 50,182.22 is: 75,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,866.09 : 208,299.43 = 50,182.22 : x
  2. Step 2: Convert to fraction form
    138,866.09/208,299.43 = 50,182.22/x
  3. Step 3: Cross multiply
    138,866.09x = 208,299.43 × 50,182.22
  4. Step 4: Simplify right side
    138,866.09x = 10,452,928,405.61
  5. Step 5: Solve for x
    x = 10,452,928,405.61/138,866.09
  6. Step 6: Final answer
    x = 75,273.44

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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.