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Finding the Fourth Proportional to 102,694.15, 141,703.90 and 57,366.53

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Solution

The fourth proportional to 102,694.15, 141,703.90 and 57,366.53 is: 79,157.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,694.15 : 141,703.90 = 57,366.53 : x
  2. Step 2: Convert to fraction form
    102,694.15/141,703.90 = 57,366.53/x
  3. Step 3: Cross multiply
    102,694.15x = 141,703.90 × 57,366.53
  4. Step 4: Simplify right side
    102,694.15x = 8,129,061,030.47
  5. Step 5: Solve for x
    x = 8,129,061,030.47/102,694.15
  6. Step 6: Final answer
    x = 79,157.98

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