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Finding the Fourth Proportional to 150,555.53, 207,765.66 and 86,044.50

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Solution

The fourth proportional to 150,555.53, 207,765.66 and 86,044.50 is: 118,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,555.53 : 207,765.66 = 86,044.50 : x
  2. Step 2: Convert to fraction form
    150,555.53/207,765.66 = 86,044.50/x
  3. Step 3: Cross multiply
    150,555.53x = 207,765.66 × 86,044.50
  4. Step 4: Simplify right side
    150,555.53x = 17,877,091,465.20
  5. Step 5: Solve for x
    x = 17,877,091,465.20/150,555.53
  6. Step 6: Final answer
    x = 118,740.85

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