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Finding the Fourth Proportional to 117,913.70, 176,870.55 and 80,588.90

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Solution

The fourth proportional to 117,913.70, 176,870.55 and 80,588.90 is: 120,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,913.70 : 176,870.55 = 80,588.90 : x
  2. Step 2: Convert to fraction form
    117,913.70/176,870.55 = 80,588.90/x
  3. Step 3: Cross multiply
    117,913.70x = 176,870.55 × 80,588.90
  4. Step 4: Simplify right side
    117,913.70x = 14,253,803,066.90
  5. Step 5: Solve for x
    x = 14,253,803,066.90/117,913.70
  6. Step 6: Final answer
    x = 120,883.35

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