Home / 68,014.47-102,181.79-64,238.05

Finding the Fourth Proportional to 68,014.47, 102,181.79 and 64,238.05

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Solution

The fourth proportional to 68,014.47, 102,181.79 and 64,238.05 is: 96,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,014.47 : 102,181.79 = 64,238.05 : x
  2. Step 2: Convert to fraction form
    68,014.47/102,181.79 = 64,238.05/x
  3. Step 3: Cross multiply
    68,014.47x = 102,181.79 × 64,238.05
  4. Step 4: Simplify right side
    68,014.47x = 6,563,958,935.11
  5. Step 5: Solve for x
    x = 6,563,958,935.11/68,014.47
  6. Step 6: Final answer
    x = 96,508.27

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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.