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Finding the Fourth Proportional to 117,917.20, 176,875.80 and 80,592.40

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Solution

The fourth proportional to 117,917.20, 176,875.80 and 80,592.40 is: 120,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,917.20 : 176,875.80 = 80,592.40 : x
  2. Step 2: Convert to fraction form
    117,917.20/176,875.80 = 80,592.40/x
  3. Step 3: Cross multiply
    117,917.20x = 176,875.80 × 80,592.40
  4. Step 4: Simplify right side
    117,917.20x = 14,254,845,223.92
  5. Step 5: Solve for x
    x = 14,254,845,223.92/117,917.20
  6. Step 6: Final answer
    x = 120,888.60

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