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Finding the Fourth Proportional to 108,553.40, 162,830.10 and 97,839.80

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Solution

The fourth proportional to 108,553.40, 162,830.10 and 97,839.80 is: 146,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,553.40 : 162,830.10 = 97,839.80 : x
  2. Step 2: Convert to fraction form
    108,553.40/162,830.10 = 97,839.80/x
  3. Step 3: Cross multiply
    108,553.40x = 162,830.10 × 97,839.80
  4. Step 4: Simplify right side
    108,553.40x = 15,931,264,417.98
  5. Step 5: Solve for x
    x = 15,931,264,417.98/108,553.40
  6. Step 6: Final answer
    x = 146,759.70

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