Home / 199,747.39-275,762.78-138,584.29

Finding the Fourth Proportional to 199,747.39, 275,762.78 and 138,584.29

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Solution

The fourth proportional to 199,747.39, 275,762.78 and 138,584.29 is: 191,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,747.39 : 275,762.78 = 138,584.29 : x
  2. Step 2: Convert to fraction form
    199,747.39/275,762.78 = 138,584.29/x
  3. Step 3: Cross multiply
    199,747.39x = 275,762.78 × 138,584.29
  4. Step 4: Simplify right side
    199,747.39x = 38,216,389,074.73
  5. Step 5: Solve for x
    x = 38,216,389,074.73/199,747.39
  6. Step 6: Final answer
    x = 191,323.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.