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Finding the Fourth Proportional to 161,754.60, 242,631.90 and 102,705.60

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Solution

The fourth proportional to 161,754.60, 242,631.90 and 102,705.60 is: 154,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,754.60 : 242,631.90 = 102,705.60 : x
  2. Step 2: Convert to fraction form
    161,754.60/242,631.90 = 102,705.60/x
  3. Step 3: Cross multiply
    161,754.60x = 242,631.90 × 102,705.60
  4. Step 4: Simplify right side
    161,754.60x = 24,919,654,868.64
  5. Step 5: Solve for x
    x = 24,919,654,868.64/161,754.60
  6. Step 6: Final answer
    x = 154,058.40

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