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Finding the Fourth Proportional to 109,725.50, 151,421.20 and 59,424.50

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Solution

The fourth proportional to 109,725.50, 151,421.20 and 59,424.50 is: 82,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725.50 : 151,421.20 = 59,424.50 : x
  2. Step 2: Convert to fraction form
    109,725.50/151,421.20 = 59,424.50/x
  3. Step 3: Cross multiply
    109,725.50x = 151,421.20 × 59,424.50
  4. Step 4: Simplify right side
    109,725.50x = 8,998,129,099.40
  5. Step 5: Solve for x
    x = 8,998,129,099.40/109,725.50
  6. Step 6: Final answer
    x = 82,005.82

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