Home / 68,261.06-102,391.56-68,162.51

Finding the Fourth Proportional to 68,261.06, 102,391.56 and 68,162.51

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Solution

The fourth proportional to 68,261.06, 102,391.56 and 68,162.51 is: 102,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261.06 : 102,391.56 = 68,162.51 : x
  2. Step 2: Convert to fraction form
    68,261.06/102,391.56 = 68,162.51/x
  3. Step 3: Cross multiply
    68,261.06x = 102,391.56 × 68,162.51
  4. Step 4: Simplify right side
    68,261.06x = 6,979,265,988.39
  5. Step 5: Solve for x
    x = 6,979,265,988.39/68,261.06
  6. Step 6: Final answer
    x = 102,243.74

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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.