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Finding the Fourth Proportional to 131,291.55, 196,949.58 and 101,742.55

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Solution

The fourth proportional to 131,291.55, 196,949.58 and 101,742.55 is: 152,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,291.55 : 196,949.58 = 101,742.55 : x
  2. Step 2: Convert to fraction form
    131,291.55/196,949.58 = 101,742.55/x
  3. Step 3: Cross multiply
    131,291.55x = 196,949.58 × 101,742.55
  4. Step 4: Simplify right side
    131,291.55x = 20,038,151,616.72
  5. Step 5: Solve for x
    x = 20,038,151,616.72/131,291.55
  6. Step 6: Final answer
    x = 152,623.32

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