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Finding the Fourth Proportional to 144,624.80, 216,937.20 and 51,118.40

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Solution

The fourth proportional to 144,624.80, 216,937.20 and 51,118.40 is: 76,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624.80 : 216,937.20 = 51,118.40 : x
  2. Step 2: Convert to fraction form
    144,624.80/216,937.20 = 51,118.40/x
  3. Step 3: Cross multiply
    144,624.80x = 216,937.20 × 51,118.40
  4. Step 4: Simplify right side
    144,624.80x = 11,089,482,564.48
  5. Step 5: Solve for x
    x = 11,089,482,564.48/144,624.80
  6. Step 6: Final answer
    x = 76,677.60

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