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Finding the Fourth Proportional to 208,060.65, 312,017.19 and 74,905.17

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Solution

The fourth proportional to 208,060.65, 312,017.19 and 74,905.17 is: 112,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,060.65 : 312,017.19 = 74,905.17 : x
  2. Step 2: Convert to fraction form
    208,060.65/312,017.19 = 74,905.17/x
  3. Step 3: Cross multiply
    208,060.65x = 312,017.19 × 74,905.17
  4. Step 4: Simplify right side
    208,060.65x = 23,371,700,659.87
  5. Step 5: Solve for x
    x = 23,371,700,659.87/208,060.65
  6. Step 6: Final answer
    x = 112,331.19

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