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Finding the Fourth Proportional to 105,352.86, 145,504.30 and 97,381.24

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Solution

The fourth proportional to 105,352.86, 145,504.30 and 97,381.24 is: 134,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,352.86 : 145,504.30 = 97,381.24 : x
  2. Step 2: Convert to fraction form
    105,352.86/145,504.30 = 97,381.24/x
  3. Step 3: Cross multiply
    105,352.86x = 145,504.30 × 97,381.24
  4. Step 4: Simplify right side
    105,352.86x = 14,169,388,672.43
  5. Step 5: Solve for x
    x = 14,169,388,672.43/105,352.86
  6. Step 6: Final answer
    x = 134,494.59

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