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Finding the Fourth Proportional to 161,731.10, 242,596.65 and 82,819.10

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Solution

The fourth proportional to 161,731.10, 242,596.65 and 82,819.10 is: 124,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,731.10 : 242,596.65 = 82,819.10 : x
  2. Step 2: Convert to fraction form
    161,731.10/242,596.65 = 82,819.10/x
  3. Step 3: Cross multiply
    161,731.10x = 242,596.65 × 82,819.10
  4. Step 4: Simplify right side
    161,731.10x = 20,091,636,216.02
  5. Step 5: Solve for x
    x = 20,091,636,216.02/161,731.10
  6. Step 6: Final answer
    x = 124,228.65

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