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Finding the Fourth Proportional to 144,005.50, 198,764.04 and 85,924.72

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Solution

The fourth proportional to 144,005.50, 198,764.04 and 85,924.72 is: 118,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,005.50 : 198,764.04 = 85,924.72 : x
  2. Step 2: Convert to fraction form
    144,005.50/198,764.04 = 85,924.72/x
  3. Step 3: Cross multiply
    144,005.50x = 198,764.04 × 85,924.72
  4. Step 4: Simplify right side
    144,005.50x = 17,078,744,483.07
  5. Step 5: Solve for x
    x = 17,078,744,483.07/144,005.50
  6. Step 6: Final answer
    x = 118,597.86

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