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Finding the Fourth Proportional to 161,307.25, 222,609.72 and 88,715.75

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Solution

The fourth proportional to 161,307.25, 222,609.72 and 88,715.75 is: 122,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,307.25 : 222,609.72 = 88,715.75 : x
  2. Step 2: Convert to fraction form
    161,307.25/222,609.72 = 88,715.75/x
  3. Step 3: Cross multiply
    161,307.25x = 222,609.72 × 88,715.75
  4. Step 4: Simplify right side
    161,307.25x = 19,748,987,823.51
  5. Step 5: Solve for x
    x = 19,748,987,823.51/161,307.25
  6. Step 6: Final answer
    x = 122,430.88

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