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Finding the Fourth Proportional to 102,176.72, 141,002.52 and 57,464.72

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Solution

The fourth proportional to 102,176.72, 141,002.52 and 57,464.72 is: 79,300.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,176.72 : 141,002.52 = 57,464.72 : x
  2. Step 2: Convert to fraction form
    102,176.72/141,002.52 = 57,464.72/x
  3. Step 3: Cross multiply
    102,176.72x = 141,002.52 × 57,464.72
  4. Step 4: Simplify right side
    102,176.72x = 8,102,670,331.09
  5. Step 5: Solve for x
    x = 8,102,670,331.09/102,176.72
  6. Step 6: Final answer
    x = 79,300.55

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