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Finding the Fourth Proportional to 119,796.34, 179,716.02 and 40,892.11

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Solution

The fourth proportional to 119,796.34, 179,716.02 and 40,892.11 is: 61,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,796.34 : 179,716.02 = 40,892.11 : x
  2. Step 2: Convert to fraction form
    119,796.34/179,716.02 = 40,892.11/x
  3. Step 3: Cross multiply
    119,796.34x = 179,716.02 × 40,892.11
  4. Step 4: Simplify right side
    119,796.34x = 7,348,967,636.59
  5. Step 5: Solve for x
    x = 7,348,967,636.59/119,796.34
  6. Step 6: Final answer
    x = 61,345.51

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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.