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Finding the Fourth Proportional to 97,254.60, 145,881.90 and 57,791.40

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Solution

The fourth proportional to 97,254.60, 145,881.90 and 57,791.40 is: 86,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,254.60 : 145,881.90 = 57,791.40 : x
  2. Step 2: Convert to fraction form
    97,254.60/145,881.90 = 57,791.40/x
  3. Step 3: Cross multiply
    97,254.60x = 145,881.90 × 57,791.40
  4. Step 4: Simplify right side
    97,254.60x = 8,430,719,235.66
  5. Step 5: Solve for x
    x = 8,430,719,235.66/97,254.60
  6. Step 6: Final answer
    x = 86,687.10

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