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Finding the Fourth Proportional to 158,964.49, 219,370.95 and 87,349.15

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Solution

The fourth proportional to 158,964.49, 219,370.95 and 87,349.15 is: 120,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,964.49 : 219,370.95 = 87,349.15 : x
  2. Step 2: Convert to fraction form
    158,964.49/219,370.95 = 87,349.15/x
  3. Step 3: Cross multiply
    158,964.49x = 219,370.95 × 87,349.15
  4. Step 4: Simplify right side
    158,964.49x = 19,161,866,017.19
  5. Step 5: Solve for x
    x = 19,161,866,017.19/158,964.49
  6. Step 6: Final answer
    x = 120,541.80

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