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Finding the Fourth Proportional to 109,332.40, 164,075.40 and 47,047.60

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Solution

The fourth proportional to 109,332.40, 164,075.40 and 47,047.60 is: 70,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,332.40 : 164,075.40 = 47,047.60 : x
  2. Step 2: Convert to fraction form
    109,332.40/164,075.40 = 47,047.60/x
  3. Step 3: Cross multiply
    109,332.40x = 164,075.40 × 47,047.60
  4. Step 4: Simplify right side
    109,332.40x = 7,719,353,789.04
  5. Step 5: Solve for x
    x = 7,719,353,789.04/109,332.40
  6. Step 6: Final answer
    x = 70,604.45

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