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Finding the Fourth Proportional to 208,621.13, 312,970.65 and 94,776.93

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Solution

The fourth proportional to 208,621.13, 312,970.65 and 94,776.93 is: 142,183.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,621.13 : 312,970.65 = 94,776.93 : x
  2. Step 2: Convert to fraction form
    208,621.13/312,970.65 = 94,776.93/x
  3. Step 3: Cross multiply
    208,621.13x = 312,970.65 × 94,776.93
  4. Step 4: Simplify right side
    208,621.13x = 29,662,397,387.10
  5. Step 5: Solve for x
    x = 29,662,397,387.10/208,621.13
  6. Step 6: Final answer
    x = 142,183.09

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