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Finding the Fourth Proportional to 97,791.60, 146,590.20 and 45,109.20

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Solution

The fourth proportional to 97,791.60, 146,590.20 and 45,109.20 is: 67,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,791.60 : 146,590.20 = 45,109.20 : x
  2. Step 2: Convert to fraction form
    97,791.60/146,590.20 = 45,109.20/x
  3. Step 3: Cross multiply
    97,791.60x = 146,590.20 × 45,109.20
  4. Step 4: Simplify right side
    97,791.60x = 6,612,566,649.84
  5. Step 5: Solve for x
    x = 6,612,566,649.84/97,791.60
  6. Step 6: Final answer
    x = 67,618.96

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