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Finding the Fourth Proportional to 125,116.28, 172,663.26 and 71,400.24

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Solution

The fourth proportional to 125,116.28, 172,663.26 and 71,400.24 is: 98,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,116.28 : 172,663.26 = 71,400.24 : x
  2. Step 2: Convert to fraction form
    125,116.28/172,663.26 = 71,400.24/x
  3. Step 3: Cross multiply
    125,116.28x = 172,663.26 × 71,400.24
  4. Step 4: Simplify right side
    125,116.28x = 12,328,198,203.18
  5. Step 5: Solve for x
    x = 12,328,198,203.18/125,116.28
  6. Step 6: Final answer
    x = 98,533.93

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