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Finding the Fourth Proportional to 108,294.40, 162,595.20 and 66,822.40

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Solution

The fourth proportional to 108,294.40, 162,595.20 and 66,822.40 is: 100,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,294.40 : 162,595.20 = 66,822.40 : x
  2. Step 2: Convert to fraction form
    108,294.40/162,595.20 = 66,822.40/x
  3. Step 3: Cross multiply
    108,294.40x = 162,595.20 × 66,822.40
  4. Step 4: Simplify right side
    108,294.40x = 10,865,001,492.48
  5. Step 5: Solve for x
    x = 10,865,001,492.48/108,294.40
  6. Step 6: Final answer
    x = 100,328.38

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