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Finding the Fourth Proportional to 97,099.38, 145,649.42 and 26,978.70

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Solution

The fourth proportional to 97,099.38, 145,649.42 and 26,978.70 is: 40,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,099.38 : 145,649.42 = 26,978.70 : x
  2. Step 2: Convert to fraction form
    97,099.38/145,649.42 = 26,978.70/x
  3. Step 3: Cross multiply
    97,099.38x = 145,649.42 × 26,978.70
  4. Step 4: Simplify right side
    97,099.38x = 3,929,431,215.02
  5. Step 5: Solve for x
    x = 3,929,431,215.02/97,099.38
  6. Step 6: Final answer
    x = 40,468.14

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