Home / 158,734.31-238,137.83-68,792.12

Finding the Fourth Proportional to 158,734.31, 238,137.83 and 68,792.12

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Solution

The fourth proportional to 158,734.31, 238,137.83 and 68,792.12 is: 103,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,734.31 : 238,137.83 = 68,792.12 : x
  2. Step 2: Convert to fraction form
    158,734.31/238,137.83 = 68,792.12/x
  3. Step 3: Cross multiply
    158,734.31x = 238,137.83 × 68,792.12
  4. Step 4: Simplify right side
    158,734.31x = 16,382,006,177.90
  5. Step 5: Solve for x
    x = 16,382,006,177.90/158,734.31
  6. Step 6: Final answer
    x = 103,203.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.