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Finding the Fourth Proportional to 149,030.75, 205,663.43 and 81,048.49

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Solution

The fourth proportional to 149,030.75, 205,663.43 and 81,048.49 is: 111,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,030.75 : 205,663.43 = 81,048.49 : x
  2. Step 2: Convert to fraction form
    149,030.75/205,663.43 = 81,048.49/x
  3. Step 3: Cross multiply
    149,030.75x = 205,663.43 × 81,048.49
  4. Step 4: Simplify right side
    149,030.75x = 16,668,710,449.72
  5. Step 5: Solve for x
    x = 16,668,710,449.72/149,030.75
  6. Step 6: Final answer
    x = 111,847.46

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