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Finding the Fourth Proportional to 117,365.80, 176,048.70 and 42,521.80

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Solution

The fourth proportional to 117,365.80, 176,048.70 and 42,521.80 is: 63,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,365.80 : 176,048.70 = 42,521.80 : x
  2. Step 2: Convert to fraction form
    117,365.80/176,048.70 = 42,521.80/x
  3. Step 3: Cross multiply
    117,365.80x = 176,048.70 × 42,521.80
  4. Step 4: Simplify right side
    117,365.80x = 7,485,907,611.66
  5. Step 5: Solve for x
    x = 7,485,907,611.66/117,365.80
  6. Step 6: Final answer
    x = 63,782.70

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