Home / 108,912.26-150,281.29-68,071.57

Finding the Fourth Proportional to 108,912.26, 150,281.29 and 68,071.57

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Solution

The fourth proportional to 108,912.26, 150,281.29 and 68,071.57 is: 93,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,912.26 : 150,281.29 = 68,071.57 : x
  2. Step 2: Convert to fraction form
    108,912.26/150,281.29 = 68,071.57/x
  3. Step 3: Cross multiply
    108,912.26x = 150,281.29 × 68,071.57
  4. Step 4: Simplify right side
    108,912.26x = 10,229,883,351.93
  5. Step 5: Solve for x
    x = 10,229,883,351.93/108,912.26
  6. Step 6: Final answer
    x = 93,927.75

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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.