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Finding the Fourth Proportional to 157,641.20, 236,461.80 and 149,087.60

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Solution

The fourth proportional to 157,641.20, 236,461.80 and 149,087.60 is: 223,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,641.20 : 236,461.80 = 149,087.60 : x
  2. Step 2: Convert to fraction form
    157,641.20/236,461.80 = 149,087.60/x
  3. Step 3: Cross multiply
    157,641.20x = 236,461.80 × 149,087.60
  4. Step 4: Simplify right side
    157,641.20x = 35,253,522,253.68
  5. Step 5: Solve for x
    x = 35,253,522,253.68/157,641.20
  6. Step 6: Final answer
    x = 223,631.40

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