Home / 68,181.76-102,186.48-30,701.92

Finding the Fourth Proportional to 68,181.76, 102,186.48 and 30,701.92

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Solution

The fourth proportional to 68,181.76, 102,186.48 and 30,701.92 is: 46,014.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,181.76 : 102,186.48 = 30,701.92 : x
  2. Step 2: Convert to fraction form
    68,181.76/102,186.48 = 30,701.92/x
  3. Step 3: Cross multiply
    68,181.76x = 102,186.48 × 30,701.92
  4. Step 4: Simplify right side
    68,181.76x = 3,137,321,134.04
  5. Step 5: Solve for x
    x = 3,137,321,134.04/68,181.76
  6. Step 6: Final answer
    x = 46,014.08

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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.