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Finding the Fourth Proportional to 158,271.43, 218,415.21 and 86,658.12

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Solution

The fourth proportional to 158,271.43, 218,415.21 and 86,658.12 is: 119,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271.43 : 218,415.21 = 86,658.12 : x
  2. Step 2: Convert to fraction form
    158,271.43/218,415.21 = 86,658.12/x
  3. Step 3: Cross multiply
    158,271.43x = 218,415.21 × 86,658.12
  4. Step 4: Simplify right side
    158,271.43x = 18,927,450,385.93
  5. Step 5: Solve for x
    x = 18,927,450,385.93/158,271.43
  6. Step 6: Final answer
    x = 119,588.55

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