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Finding the Fourth Proportional to 161,872.53, 223,386.86 and 89,283.75

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Solution

The fourth proportional to 161,872.53, 223,386.86 and 89,283.75 is: 123,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,872.53 : 223,386.86 = 89,283.75 : x
  2. Step 2: Convert to fraction form
    161,872.53/223,386.86 = 89,283.75/x
  3. Step 3: Cross multiply
    161,872.53x = 223,386.86 × 89,283.75
  4. Step 4: Simplify right side
    161,872.53x = 19,944,817,203.58
  5. Step 5: Solve for x
    x = 19,944,817,203.58/161,872.53
  6. Step 6: Final answer
    x = 123,213.11

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