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Finding the Fourth Proportional to 155,458.95, 233,188.43 and 43,138.95

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Solution

The fourth proportional to 155,458.95, 233,188.43 and 43,138.95 is: 64,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,458.95 : 233,188.43 = 43,138.95 : x
  2. Step 2: Convert to fraction form
    155,458.95/233,188.43 = 43,138.95/x
  3. Step 3: Cross multiply
    155,458.95x = 233,188.43 × 43,138.95
  4. Step 4: Simplify right side
    155,458.95x = 10,059,503,806.65
  5. Step 5: Solve for x
    x = 10,059,503,806.65/155,458.95
  6. Step 6: Final answer
    x = 64,708.43

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