Home / 202,954.22-280,072.62-112,310.12

Finding the Fourth Proportional to 202,954.22, 280,072.62 and 112,310.12

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Solution

The fourth proportional to 202,954.22, 280,072.62 and 112,310.12 is: 154,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,954.22 : 280,072.62 = 112,310.12 : x
  2. Step 2: Convert to fraction form
    202,954.22/280,072.62 = 112,310.12/x
  3. Step 3: Cross multiply
    202,954.22x = 280,072.62 × 112,310.12
  4. Step 4: Simplify right side
    202,954.22x = 31,454,988,160.55
  5. Step 5: Solve for x
    x = 31,454,988,160.55/202,954.22
  6. Step 6: Final answer
    x = 154,985.64

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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.