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Finding the Fourth Proportional to 158,842.62, 219,206.39 and 87,222.96

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Solution

The fourth proportional to 158,842.62, 219,206.39 and 87,222.96 is: 120,369.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,842.62 : 219,206.39 = 87,222.96 : x
  2. Step 2: Convert to fraction form
    158,842.62/219,206.39 = 87,222.96/x
  3. Step 3: Cross multiply
    158,842.62x = 219,206.39 × 87,222.96
  4. Step 4: Simplify right side
    158,842.62x = 19,119,829,750.60
  5. Step 5: Solve for x
    x = 19,119,829,750.60/158,842.62
  6. Step 6: Final answer
    x = 120,369.64

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