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Finding the Fourth Proportional to 119,254.20, 178,887.42 and 30,508.47

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Solution

The fourth proportional to 119,254.20, 178,887.42 and 30,508.47 is: 45,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,254.20 : 178,887.42 = 30,508.47 : x
  2. Step 2: Convert to fraction form
    119,254.20/178,887.42 = 30,508.47/x
  3. Step 3: Cross multiply
    119,254.20x = 178,887.42 × 30,508.47
  4. Step 4: Simplify right side
    119,254.20x = 5,457,581,486.45
  5. Step 5: Solve for x
    x = 5,457,581,486.45/119,254.20
  6. Step 6: Final answer
    x = 45,764.27

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