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Finding the Fourth Proportional to 139,744.76, 192,848.56 and 76,082.40

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Solution

The fourth proportional to 139,744.76, 192,848.56 and 76,082.40 is: 104,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,744.76 : 192,848.56 = 76,082.40 : x
  2. Step 2: Convert to fraction form
    139,744.76/192,848.56 = 76,082.40/x
  3. Step 3: Cross multiply
    139,744.76x = 192,848.56 × 76,082.40
  4. Step 4: Simplify right side
    139,744.76x = 14,672,381,281.34
  5. Step 5: Solve for x
    x = 14,672,381,281.34/139,744.76
  6. Step 6: Final answer
    x = 104,994.14

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