Home / 138,804.74-208,206.57-33,623.54

Finding the Fourth Proportional to 138,804.74, 208,206.57 and 33,623.54

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Solution

The fourth proportional to 138,804.74, 208,206.57 and 33,623.54 is: 50,435.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,804.74 : 208,206.57 = 33,623.54 : x
  2. Step 2: Convert to fraction form
    138,804.74/208,206.57 = 33,623.54/x
  3. Step 3: Cross multiply
    138,804.74x = 208,206.57 × 33,623.54
  4. Step 4: Simplify right side
    138,804.74x = 7,000,641,934.66
  5. Step 5: Solve for x
    x = 7,000,641,934.66/138,804.74
  6. Step 6: Final answer
    x = 50,435.18

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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.