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Finding the Fourth Proportional to 161,720.70, 242,581.05 and 102,623.10

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Solution

The fourth proportional to 161,720.70, 242,581.05 and 102,623.10 is: 153,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,720.70 : 242,581.05 = 102,623.10 : x
  2. Step 2: Convert to fraction form
    161,720.70/242,581.05 = 102,623.10/x
  3. Step 3: Cross multiply
    161,720.70x = 242,581.05 × 102,623.10
  4. Step 4: Simplify right side
    161,720.70x = 24,894,419,352.26
  5. Step 5: Solve for x
    x = 24,894,419,352.26/161,720.70
  6. Step 6: Final answer
    x = 153,934.65

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