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Finding the Fourth Proportional to 156,950.88, 216,598.50 and 85,330.68

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Solution

The fourth proportional to 156,950.88, 216,598.50 and 85,330.68 is: 117,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.88 : 216,598.50 = 85,330.68 : x
  2. Step 2: Convert to fraction form
    156,950.88/216,598.50 = 85,330.68/x
  3. Step 3: Cross multiply
    156,950.88x = 216,598.50 × 85,330.68
  4. Step 4: Simplify right side
    156,950.88x = 18,482,497,291.98
  5. Step 5: Solve for x
    x = 18,482,497,291.98/156,950.88
  6. Step 6: Final answer
    x = 117,759.76

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