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Finding the Fourth Proportional to 161,762.20, 242,643.30 and 102,664.60

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Solution

The fourth proportional to 161,762.20, 242,643.30 and 102,664.60 is: 153,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,762.20 : 242,643.30 = 102,664.60 : x
  2. Step 2: Convert to fraction form
    161,762.20/242,643.30 = 102,664.60/x
  3. Step 3: Cross multiply
    161,762.20x = 242,643.30 × 102,664.60
  4. Step 4: Simplify right side
    161,762.20x = 24,910,877,337.18
  5. Step 5: Solve for x
    x = 24,910,877,337.18/161,762.20
  6. Step 6: Final answer
    x = 153,996.90

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