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Finding the Fourth Proportional to 98,782.76, 136,314.98 and 54,062.12

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Solution

The fourth proportional to 98,782.76, 136,314.98 and 54,062.12 is: 74,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,782.76 : 136,314.98 = 54,062.12 : x
  2. Step 2: Convert to fraction form
    98,782.76/136,314.98 = 54,062.12/x
  3. Step 3: Cross multiply
    98,782.76x = 136,314.98 × 54,062.12
  4. Step 4: Simplify right side
    98,782.76x = 7,369,476,806.56
  5. Step 5: Solve for x
    x = 7,369,476,806.56/98,782.76
  6. Step 6: Final answer
    x = 74,602.86

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