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Finding the Fourth Proportional to 117,978.63, 176,928.98 and 46,918.90

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Solution

The fourth proportional to 117,978.63, 176,928.98 and 46,918.90 is: 70,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,978.63 : 176,928.98 = 46,918.90 : x
  2. Step 2: Convert to fraction form
    117,978.63/176,928.98 = 46,918.90/x
  3. Step 3: Cross multiply
    117,978.63x = 176,928.98 × 46,918.90
  4. Step 4: Simplify right side
    117,978.63x = 8,301,312,506.94
  5. Step 5: Solve for x
    x = 8,301,312,506.94/117,978.63
  6. Step 6: Final answer
    x = 70,362.85

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