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Finding the Fourth Proportional to 156,342.48, 215,753.40 and 91,855.14

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Solution

The fourth proportional to 156,342.48, 215,753.40 and 91,855.14 is: 126,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342.48 : 215,753.40 = 91,855.14 : x
  2. Step 2: Convert to fraction form
    156,342.48/215,753.40 = 91,855.14/x
  3. Step 3: Cross multiply
    156,342.48x = 215,753.40 × 91,855.14
  4. Step 4: Simplify right side
    156,342.48x = 19,818,058,762.48
  5. Step 5: Solve for x
    x = 19,818,058,762.48/156,342.48
  6. Step 6: Final answer
    x = 126,760.55

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