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Finding the Fourth Proportional to 117,359.20, 176,038.80 and 73,266.40

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Solution

The fourth proportional to 117,359.20, 176,038.80 and 73,266.40 is: 109,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,359.20 : 176,038.80 = 73,266.40 : x
  2. Step 2: Convert to fraction form
    117,359.20/176,038.80 = 73,266.40/x
  3. Step 3: Cross multiply
    117,359.20x = 176,038.80 × 73,266.40
  4. Step 4: Simplify right side
    117,359.20x = 12,897,729,136.32
  5. Step 5: Solve for x
    x = 12,897,729,136.32/117,359.20
  6. Step 6: Final answer
    x = 109,899.60

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