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Finding the Fourth Proportional to 93,225.72, 128,700.26 and 72,763.91

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Solution

The fourth proportional to 93,225.72, 128,700.26 and 72,763.91 is: 100,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.72 : 128,700.26 = 72,763.91 : x
  2. Step 2: Convert to fraction form
    93,225.72/128,700.26 = 72,763.91/x
  3. Step 3: Cross multiply
    93,225.72x = 128,700.26 × 72,763.91
  4. Step 4: Simplify right side
    93,225.72x = 9,364,734,135.62
  5. Step 5: Solve for x
    x = 9,364,734,135.62/93,225.72
  6. Step 6: Final answer
    x = 100,452.26

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