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Finding the Fourth Proportional to 127,702.24, 176,226.24 and 71,118.88

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Solution

The fourth proportional to 127,702.24, 176,226.24 and 71,118.88 is: 98,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,702.24 : 176,226.24 = 71,118.88 : x
  2. Step 2: Convert to fraction form
    127,702.24/176,226.24 = 71,118.88/x
  3. Step 3: Cross multiply
    127,702.24x = 176,226.24 × 71,118.88
  4. Step 4: Simplify right side
    127,702.24x = 12,533,012,815.41
  5. Step 5: Solve for x
    x = 12,533,012,815.41/127,702.24
  6. Step 6: Final answer
    x = 98,142.47

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