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Finding the Fourth Proportional to 177,243.20, 265,864.80 and 83,931.20

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Solution

The fourth proportional to 177,243.20, 265,864.80 and 83,931.20 is: 125,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,243.20 : 265,864.80 = 83,931.20 : x
  2. Step 2: Convert to fraction form
    177,243.20/265,864.80 = 83,931.20/x
  3. Step 3: Cross multiply
    177,243.20x = 265,864.80 × 83,931.20
  4. Step 4: Simplify right side
    177,243.20x = 22,314,351,701.76
  5. Step 5: Solve for x
    x = 22,314,351,701.76/177,243.20
  6. Step 6: Final answer
    x = 125,896.80

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