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Finding the Fourth Proportional to 117,615.40, 176,423.10 and 73,097.80

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Solution

The fourth proportional to 117,615.40, 176,423.10 and 73,097.80 is: 109,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,615.40 : 176,423.10 = 73,097.80 : x
  2. Step 2: Convert to fraction form
    117,615.40/176,423.10 = 73,097.80/x
  3. Step 3: Cross multiply
    117,615.40x = 176,423.10 × 73,097.80
  4. Step 4: Simplify right side
    117,615.40x = 12,896,140,479.18
  5. Step 5: Solve for x
    x = 12,896,140,479.18/117,615.40
  6. Step 6: Final answer
    x = 109,646.70

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