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Finding the Fourth Proportional to 117,545.60, 176,318.40 and 115,212.80

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Solution

The fourth proportional to 117,545.60, 176,318.40 and 115,212.80 is: 172,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,545.60 : 176,318.40 = 115,212.80 : x
  2. Step 2: Convert to fraction form
    117,545.60/176,318.40 = 115,212.80/x
  3. Step 3: Cross multiply
    117,545.60x = 176,318.40 × 115,212.80
  4. Step 4: Simplify right side
    117,545.60x = 20,314,136,555.52
  5. Step 5: Solve for x
    x = 20,314,136,555.52/117,545.60
  6. Step 6: Final answer
    x = 172,819.20

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