Home / 112,964.56-155,895.24-68,243.92

Finding the Fourth Proportional to 112,964.56, 155,895.24 and 68,243.92

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Solution

The fourth proportional to 112,964.56, 155,895.24 and 68,243.92 is: 94,179.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,964.56 : 155,895.24 = 68,243.92 : x
  2. Step 2: Convert to fraction form
    112,964.56/155,895.24 = 68,243.92/x
  3. Step 3: Cross multiply
    112,964.56x = 155,895.24 × 68,243.92
  4. Step 4: Simplify right side
    112,964.56x = 10,638,902,286.94
  5. Step 5: Solve for x
    x = 10,638,902,286.94/112,964.56
  6. Step 6: Final answer
    x = 94,179.11

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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.