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Finding the Fourth Proportional to 203,151.57, 280,256.12 and 131,554.65

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Solution

The fourth proportional to 203,151.57, 280,256.12 and 131,554.65 is: 181,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,151.57 : 280,256.12 = 131,554.65 : x
  2. Step 2: Convert to fraction form
    203,151.57/280,256.12 = 131,554.65/x
  3. Step 3: Cross multiply
    203,151.57x = 280,256.12 × 131,554.65
  4. Step 4: Simplify right side
    203,151.57x = 36,868,996,663.48
  5. Step 5: Solve for x
    x = 36,868,996,663.48/203,151.57
  6. Step 6: Final answer
    x = 181,485.17

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