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Finding the Fourth Proportional to 111,091.80, 166,637.70 and 48,762.30

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Solution

The fourth proportional to 111,091.80, 166,637.70 and 48,762.30 is: 73,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,091.80 : 166,637.70 = 48,762.30 : x
  2. Step 2: Convert to fraction form
    111,091.80/166,637.70 = 48,762.30/x
  3. Step 3: Cross multiply
    111,091.80x = 166,637.70 × 48,762.30
  4. Step 4: Simplify right side
    111,091.80x = 8,125,637,518.71
  5. Step 5: Solve for x
    x = 8,125,637,518.71/111,091.80
  6. Step 6: Final answer
    x = 73,143.45

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