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Finding the Fourth Proportional to 98,728.06, 136,247.86 and 54,016.06

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Solution

The fourth proportional to 98,728.06, 136,247.86 and 54,016.06 is: 74,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,728.06 : 136,247.86 = 54,016.06 : x
  2. Step 2: Convert to fraction form
    98,728.06/136,247.86 = 54,016.06/x
  3. Step 3: Cross multiply
    98,728.06x = 136,247.86 × 54,016.06
  4. Step 4: Simplify right side
    98,728.06x = 7,359,572,580.63
  5. Step 5: Solve for x
    x = 7,359,572,580.63/98,728.06
  6. Step 6: Final answer
    x = 74,543.88

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