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Finding the Fourth Proportional to 149,808.48, 206,538.48 and 115,391.76

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Solution

The fourth proportional to 149,808.48, 206,538.48 and 115,391.76 is: 159,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,808.48 : 206,538.48 = 115,391.76 : x
  2. Step 2: Convert to fraction form
    149,808.48/206,538.48 = 115,391.76/x
  3. Step 3: Cross multiply
    149,808.48x = 206,538.48 × 115,391.76
  4. Step 4: Simplify right side
    149,808.48x = 23,832,838,714.92
  5. Step 5: Solve for x
    x = 23,832,838,714.92/149,808.48
  6. Step 6: Final answer
    x = 159,088.72

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