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Finding the Fourth Proportional to 98,441.41, 135,801.85 and 64,434.91

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Solution

The fourth proportional to 98,441.41, 135,801.85 and 64,434.91 is: 88,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,441.41 : 135,801.85 = 64,434.91 : x
  2. Step 2: Convert to fraction form
    98,441.41/135,801.85 = 64,434.91/x
  3. Step 3: Cross multiply
    98,441.41x = 135,801.85 × 64,434.91
  4. Step 4: Simplify right side
    98,441.41x = 8,750,379,982.58
  5. Step 5: Solve for x
    x = 8,750,379,982.58/98,441.41
  6. Step 6: Final answer
    x = 88,889.22

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