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Finding the Fourth Proportional to 98,729.40, 148,439.70 and 96,655.80

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Solution

The fourth proportional to 98,729.40, 148,439.70 and 96,655.80 is: 145,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,729.40 : 148,439.70 = 96,655.80 : x
  2. Step 2: Convert to fraction form
    98,729.40/148,439.70 = 96,655.80/x
  3. Step 3: Cross multiply
    98,729.40x = 148,439.70 × 96,655.80
  4. Step 4: Simplify right side
    98,729.40x = 14,347,557,955.26
  5. Step 5: Solve for x
    x = 14,347,557,955.26/98,729.40
  6. Step 6: Final answer
    x = 145,322.04

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