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Finding the Fourth Proportional to 164,328.20, 246,500.40 and 85,596.20

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Solution

The fourth proportional to 164,328.20, 246,500.40 and 85,596.20 is: 128,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,328.20 : 246,500.40 = 85,596.20 : x
  2. Step 2: Convert to fraction form
    164,328.20/246,500.40 = 85,596.20/x
  3. Step 3: Cross multiply
    164,328.20x = 246,500.40 × 85,596.20
  4. Step 4: Simplify right side
    164,328.20x = 21,099,497,538.48
  5. Step 5: Solve for x
    x = 21,099,497,538.48/164,328.20
  6. Step 6: Final answer
    x = 128,398.52

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