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Finding the Fourth Proportional to 125,742.78, 173,528.67 and 69,157.80

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Solution

The fourth proportional to 125,742.78, 173,528.67 and 69,157.80 is: 95,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,742.78 : 173,528.67 = 69,157.80 : x
  2. Step 2: Convert to fraction form
    125,742.78/173,528.67 = 69,157.80/x
  3. Step 3: Cross multiply
    125,742.78x = 173,528.67 × 69,157.80
  4. Step 4: Simplify right side
    125,742.78x = 12,000,861,054.13
  5. Step 5: Solve for x
    x = 12,000,861,054.13/125,742.78
  6. Step 6: Final answer
    x = 95,439.76

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