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Finding the Fourth Proportional to 157,119.84, 216,829.98 and 85,504.50

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Solution

The fourth proportional to 157,119.84, 216,829.98 and 85,504.50 is: 117,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,119.84 : 216,829.98 = 85,504.50 : x
  2. Step 2: Convert to fraction form
    157,119.84/216,829.98 = 85,504.50/x
  3. Step 3: Cross multiply
    157,119.84x = 216,829.98 × 85,504.50
  4. Step 4: Simplify right side
    157,119.84x = 18,539,939,024.91
  5. Step 5: Solve for x
    x = 18,539,939,024.91/157,119.84
  6. Step 6: Final answer
    x = 117,998.71

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