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Finding the Fourth Proportional to 148,221.40, 222,332.10 and 65,115.40

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Solution

The fourth proportional to 148,221.40, 222,332.10 and 65,115.40 is: 97,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,221.40 : 222,332.10 = 65,115.40 : x
  2. Step 2: Convert to fraction form
    148,221.40/222,332.10 = 65,115.40/x
  3. Step 3: Cross multiply
    148,221.40x = 222,332.10 × 65,115.40
  4. Step 4: Simplify right side
    148,221.40x = 14,477,243,624.34
  5. Step 5: Solve for x
    x = 14,477,243,624.34/148,221.40
  6. Step 6: Final answer
    x = 97,673.10

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