Home / 138,806.26-208,209.20-33,624.94

Finding the Fourth Proportional to 138,806.26, 208,209.20 and 33,624.94

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Solution

The fourth proportional to 138,806.26, 208,209.20 and 33,624.94 is: 50,437.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,806.26 : 208,209.20 = 33,624.94 : x
  2. Step 2: Convert to fraction form
    138,806.26/208,209.20 = 33,624.94/x
  3. Step 3: Cross multiply
    138,806.26x = 208,209.20 × 33,624.94
  4. Step 4: Simplify right side
    138,806.26x = 7,001,021,857.45
  5. Step 5: Solve for x
    x = 7,001,021,857.45/138,806.26
  6. Step 6: Final answer
    x = 50,437.36

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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.