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Finding the Fourth Proportional to 97,113.90, 145,691.64 and 55,013.88

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Solution

The fourth proportional to 97,113.90, 145,691.64 and 55,013.88 is: 82,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,113.90 : 145,691.64 = 55,013.88 : x
  2. Step 2: Convert to fraction form
    97,113.90/145,691.64 = 55,013.88/x
  3. Step 3: Cross multiply
    97,113.90x = 145,691.64 × 55,013.88
  4. Step 4: Simplify right side
    97,113.90x = 8,015,062,399.96
  5. Step 5: Solve for x
    x = 8,015,062,399.96/97,113.90
  6. Step 6: Final answer
    x = 82,532.60

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