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Finding the Fourth Proportional to 112,017.80, 168,026.70 and 99,770.60

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Solution

The fourth proportional to 112,017.80, 168,026.70 and 99,770.60 is: 149,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,017.80 : 168,026.70 = 99,770.60 : x
  2. Step 2: Convert to fraction form
    112,017.80/168,026.70 = 99,770.60/x
  3. Step 3: Cross multiply
    112,017.80x = 168,026.70 × 99,770.60
  4. Step 4: Simplify right side
    112,017.80x = 16,764,124,675.02
  5. Step 5: Solve for x
    x = 16,764,124,675.02/112,017.80
  6. Step 6: Final answer
    x = 149,655.90

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