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Finding the Fourth Proportional to 119,868.65, 165,480.91 and 87,566.99

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Solution

The fourth proportional to 119,868.65, 165,480.91 and 87,566.99 is: 120,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,868.65 : 165,480.91 = 87,566.99 : x
  2. Step 2: Convert to fraction form
    119,868.65/165,480.91 = 87,566.99/x
  3. Step 3: Cross multiply
    119,868.65x = 165,480.91 × 87,566.99
  4. Step 4: Simplify right side
    119,868.65x = 14,490,665,191.16
  5. Step 5: Solve for x
    x = 14,490,665,191.16/119,868.65
  6. Step 6: Final answer
    x = 120,887.87

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