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Finding the Fourth Proportional to 118,815.23, 163,914.76 and 70,409.63

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Solution

The fourth proportional to 118,815.23, 163,914.76 and 70,409.63 is: 97,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,815.23 : 163,914.76 = 70,409.63 : x
  2. Step 2: Convert to fraction form
    118,815.23/163,914.76 = 70,409.63/x
  3. Step 3: Cross multiply
    118,815.23x = 163,914.76 × 70,409.63
  4. Step 4: Simplify right side
    118,815.23x = 11,541,177,603.14
  5. Step 5: Solve for x
    x = 11,541,177,603.14/118,815.23
  6. Step 6: Final answer
    x = 97,135.51

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