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Finding the Fourth Proportional to 151,381.48, 208,906.50 and 87,756.16

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Solution

The fourth proportional to 151,381.48, 208,906.50 and 87,756.16 is: 121,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,381.48 : 208,906.50 = 87,756.16 : x
  2. Step 2: Convert to fraction form
    151,381.48/208,906.50 = 87,756.16/x
  3. Step 3: Cross multiply
    151,381.48x = 208,906.50 × 87,756.16
  4. Step 4: Simplify right side
    151,381.48x = 18,332,832,239.04
  5. Step 5: Solve for x
    x = 18,332,832,239.04/151,381.48
  6. Step 6: Final answer
    x = 121,103.53

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