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Finding the Fourth Proportional to 107,140.25, 160,737.15 and 75,611.86

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Solution

The fourth proportional to 107,140.25, 160,737.15 and 75,611.86 is: 113,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,140.25 : 160,737.15 = 75,611.86 : x
  2. Step 2: Convert to fraction form
    107,140.25/160,737.15 = 75,611.86/x
  3. Step 3: Cross multiply
    107,140.25x = 160,737.15 × 75,611.86
  4. Step 4: Simplify right side
    107,140.25x = 12,153,633,901.78
  5. Step 5: Solve for x
    x = 12,153,633,901.78/107,140.25
  6. Step 6: Final answer
    x = 113,436.67

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