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Finding the Fourth Proportional to 159,515.90, 220,141.75 and 87,895.91

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Solution

The fourth proportional to 159,515.90, 220,141.75 and 87,895.91 is: 121,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,515.90 : 220,141.75 = 87,895.91 : x
  2. Step 2: Convert to fraction form
    159,515.90/220,141.75 = 87,895.91/x
  3. Step 3: Cross multiply
    159,515.90x = 220,141.75 × 87,895.91
  4. Step 4: Simplify right side
    159,515.90x = 19,349,559,445.24
  5. Step 5: Solve for x
    x = 19,349,559,445.24/159,515.90
  6. Step 6: Final answer
    x = 121,301.76

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