Home / 137,348.46-206,958.56-112,935.38

Finding the Fourth Proportional to 137,348.46, 206,958.56 and 112,935.38

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Solution

The fourth proportional to 137,348.46, 206,958.56 and 112,935.38 is: 170,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,348.46 : 206,958.56 = 112,935.38 : x
  2. Step 2: Convert to fraction form
    137,348.46/206,958.56 = 112,935.38/x
  3. Step 3: Cross multiply
    137,348.46x = 206,958.56 × 112,935.38
  4. Step 4: Simplify right side
    137,348.46x = 23,372,942,018.38
  5. Step 5: Solve for x
    x = 23,372,942,018.38/137,348.46
  6. Step 6: Final answer
    x = 170,172.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.