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Finding the Fourth Proportional to 112,371.70, 168,630.45 and 64,986.70

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Solution

The fourth proportional to 112,371.70, 168,630.45 and 64,986.70 is: 97,522.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371.70 : 168,630.45 = 64,986.70 : x
  2. Step 2: Convert to fraction form
    112,371.70/168,630.45 = 64,986.70/x
  3. Step 3: Cross multiply
    112,371.70x = 168,630.45 × 64,986.70
  4. Step 4: Simplify right side
    112,371.70x = 10,958,736,465.02
  5. Step 5: Solve for x
    x = 10,958,736,465.02/112,371.70
  6. Step 6: Final answer
    x = 97,522.21

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