Home / 199,392.64-275,185.49-113,364.59

Finding the Fourth Proportional to 199,392.64, 275,185.49 and 113,364.59

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Solution

The fourth proportional to 199,392.64, 275,185.49 and 113,364.59 is: 156,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,392.64 : 275,185.49 = 113,364.59 : x
  2. Step 2: Convert to fraction form
    199,392.64/275,185.49 = 113,364.59/x
  3. Step 3: Cross multiply
    199,392.64x = 275,185.49 × 113,364.59
  4. Step 4: Simplify right side
    199,392.64x = 31,196,288,305.05
  5. Step 5: Solve for x
    x = 31,196,288,305.05/199,392.64
  6. Step 6: Final answer
    x = 156,456.57

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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.