Home / 199,591.58-274,968.51-139,052.72

Finding the Fourth Proportional to 199,591.58, 274,968.51 and 139,052.72

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Solution

The fourth proportional to 199,591.58, 274,968.51 and 139,052.72 is: 191,566.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,591.58 : 274,968.51 = 139,052.72 : x
  2. Step 2: Convert to fraction form
    199,591.58/274,968.51 = 139,052.72/x
  3. Step 3: Cross multiply
    199,591.58x = 274,968.51 × 139,052.72
  4. Step 4: Simplify right side
    199,591.58x = 38,235,119,229.85
  5. Step 5: Solve for x
    x = 38,235,119,229.85/199,591.58
  6. Step 6: Final answer
    x = 191,566.79

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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.