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Finding the Fourth Proportional to 156,938.40, 235,148.40 and 133,610.40

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Solution

The fourth proportional to 156,938.40, 235,148.40 and 133,610.40 is: 200,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.40 : 235,148.40 = 133,610.40 : x
  2. Step 2: Convert to fraction form
    156,938.40/235,148.40 = 133,610.40/x
  3. Step 3: Cross multiply
    156,938.40x = 235,148.40 × 133,610.40
  4. Step 4: Simplify right side
    156,938.40x = 31,418,271,783.36
  5. Step 5: Solve for x
    x = 31,418,271,783.36/156,938.40
  6. Step 6: Final answer
    x = 200,194.93

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