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Finding the Fourth Proportional to 144,706.80, 216,901.80 and 51,164.40

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Solution

The fourth proportional to 144,706.80, 216,901.80 and 51,164.40 is: 76,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,706.80 : 216,901.80 = 51,164.40 : x
  2. Step 2: Convert to fraction form
    144,706.80/216,901.80 = 51,164.40/x
  3. Step 3: Cross multiply
    144,706.80x = 216,901.80 × 51,164.40
  4. Step 4: Simplify right side
    144,706.80x = 11,097,650,455.92
  5. Step 5: Solve for x
    x = 11,097,650,455.92/144,706.80
  6. Step 6: Final answer
    x = 76,690.59

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