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Finding the Fourth Proportional to 148,281.55, 222,316.62 and 69,352.72

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Solution

The fourth proportional to 148,281.55, 222,316.62 and 69,352.72 is: 103,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,281.55 : 222,316.62 = 69,352.72 : x
  2. Step 2: Convert to fraction form
    148,281.55/222,316.62 = 69,352.72/x
  3. Step 3: Cross multiply
    148,281.55x = 222,316.62 × 69,352.72
  4. Step 4: Simplify right side
    148,281.55x = 15,418,261,482.34
  5. Step 5: Solve for x
    x = 15,418,261,482.34/148,281.55
  6. Step 6: Final answer
    x = 103,979.64

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