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Finding the Fourth Proportional to 96,656.80, 144,985.20 and 89,658.40

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Solution

The fourth proportional to 96,656.80, 144,985.20 and 89,658.40 is: 134,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,656.80 : 144,985.20 = 89,658.40 : x
  2. Step 2: Convert to fraction form
    96,656.80/144,985.20 = 89,658.40/x
  3. Step 3: Cross multiply
    96,656.80x = 144,985.20 × 89,658.40
  4. Step 4: Simplify right side
    96,656.80x = 12,999,141,055.68
  5. Step 5: Solve for x
    x = 12,999,141,055.68/96,656.80
  6. Step 6: Final answer
    x = 134,487.60

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