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Finding the Fourth Proportional to 98,802.80, 147,772.20 and 88,348.40

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Solution

The fourth proportional to 98,802.80, 147,772.20 and 88,348.40 is: 132,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,802.80 : 147,772.20 = 88,348.40 : x
  2. Step 2: Convert to fraction form
    98,802.80/147,772.20 = 88,348.40/x
  3. Step 3: Cross multiply
    98,802.80x = 147,772.20 × 88,348.40
  4. Step 4: Simplify right side
    98,802.80x = 13,055,437,434.48
  5. Step 5: Solve for x
    x = 13,055,437,434.48/98,802.80
  6. Step 6: Final answer
    x = 132,136.31

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