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Finding the Fourth Proportional to 112,461.80, 168,692.70 and 109,869.80

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Solution

The fourth proportional to 112,461.80, 168,692.70 and 109,869.80 is: 164,804.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,461.80 : 168,692.70 = 109,869.80 : x
  2. Step 2: Convert to fraction form
    112,461.80/168,692.70 = 109,869.80/x
  3. Step 3: Cross multiply
    112,461.80x = 168,692.70 × 109,869.80
  4. Step 4: Simplify right side
    112,461.80x = 18,534,233,210.46
  5. Step 5: Solve for x
    x = 18,534,233,210.46/112,461.80
  6. Step 6: Final answer
    x = 164,804.70

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