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Finding the Fourth Proportional to 144,549.30, 216,921.15 and 65,622.90

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Solution

The fourth proportional to 144,549.30, 216,921.15 and 65,622.90 is: 98,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,549.30 : 216,921.15 = 65,622.90 : x
  2. Step 2: Convert to fraction form
    144,549.30/216,921.15 = 65,622.90/x
  3. Step 3: Cross multiply
    144,549.30x = 216,921.15 × 65,622.90
  4. Step 4: Simplify right side
    144,549.30x = 14,234,994,934.34
  5. Step 5: Solve for x
    x = 14,234,994,934.34/144,549.30
  6. Step 6: Final answer
    x = 98,478.48

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