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Finding the Fourth Proportional to 127,830.40, 176,423.04 and 92,138.88

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Solution

The fourth proportional to 127,830.40, 176,423.04 and 92,138.88 is: 127,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,830.40 : 176,423.04 = 92,138.88 : x
  2. Step 2: Convert to fraction form
    127,830.40/176,423.04 = 92,138.88/x
  3. Step 3: Cross multiply
    127,830.40x = 176,423.04 × 92,138.88
  4. Step 4: Simplify right side
    127,830.40x = 16,255,421,311.80
  5. Step 5: Solve for x
    x = 16,255,421,311.80/127,830.40
  6. Step 6: Final answer
    x = 127,163.97

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