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Finding the Fourth Proportional to 127,693.49, 176,215.39 and 70,331.66

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Solution

The fourth proportional to 127,693.49, 176,215.39 and 70,331.66 is: 97,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,693.49 : 176,215.39 = 70,331.66 : x
  2. Step 2: Convert to fraction form
    127,693.49/176,215.39 = 70,331.66/x
  3. Step 3: Cross multiply
    127,693.49x = 176,215.39 × 70,331.66
  4. Step 4: Simplify right side
    127,693.49x = 12,393,520,896.25
  5. Step 5: Solve for x
    x = 12,393,520,896.25/127,693.49
  6. Step 6: Final answer
    x = 97,056.80

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