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Finding the Fourth Proportional to 85,835.84, 118,388.39 and 75,207.02

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Solution

The fourth proportional to 85,835.84, 118,388.39 and 75,207.02 is: 103,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,835.84 : 118,388.39 = 75,207.02 : x
  2. Step 2: Convert to fraction form
    85,835.84/118,388.39 = 75,207.02/x
  3. Step 3: Cross multiply
    85,835.84x = 118,388.39 × 75,207.02
  4. Step 4: Simplify right side
    85,835.84x = 8,903,637,046.52
  5. Step 5: Solve for x
    x = 8,903,637,046.52/85,835.84
  6. Step 6: Final answer
    x = 103,728.67

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