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Finding the Fourth Proportional to 207,223.40, 310,835.10 and 67,082.60

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Solution

The fourth proportional to 207,223.40, 310,835.10 and 67,082.60 is: 100,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,223.40 : 310,835.10 = 67,082.60 : x
  2. Step 2: Convert to fraction form
    207,223.40/310,835.10 = 67,082.60/x
  3. Step 3: Cross multiply
    207,223.40x = 310,835.10 × 67,082.60
  4. Step 4: Simplify right side
    207,223.40x = 20,851,626,679.26
  5. Step 5: Solve for x
    x = 20,851,626,679.26/207,223.40
  6. Step 6: Final answer
    x = 100,623.90

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