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Finding the Fourth Proportional to 161,741.40, 242,619.30 and 55,123.80

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Solution

The fourth proportional to 161,741.40, 242,619.30 and 55,123.80 is: 82,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,741.40 : 242,619.30 = 55,123.80 : x
  2. Step 2: Convert to fraction form
    161,741.40/242,619.30 = 55,123.80/x
  3. Step 3: Cross multiply
    161,741.40x = 242,619.30 × 55,123.80
  4. Step 4: Simplify right side
    161,741.40x = 13,374,097,769.34
  5. Step 5: Solve for x
    x = 13,374,097,769.34/161,741.40
  6. Step 6: Final answer
    x = 82,688.15

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