Home / 199,872.64-275,839.92-113,835.25

Finding the Fourth Proportional to 199,872.64, 275,839.92 and 113,835.25

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Solution

The fourth proportional to 199,872.64, 275,839.92 and 113,835.25 is: 157,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,872.64 : 275,839.92 = 113,835.25 : x
  2. Step 2: Convert to fraction form
    199,872.64/275,839.92 = 113,835.25/x
  3. Step 3: Cross multiply
    199,872.64x = 275,839.92 × 113,835.25
  4. Step 4: Simplify right side
    199,872.64x = 31,400,306,253.18
  5. Step 5: Solve for x
    x = 31,400,306,253.18/199,872.64
  6. Step 6: Final answer
    x = 157,101.57

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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.