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Finding the Fourth Proportional to 129,608.82, 194,488.83 and 70,450.74

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Solution

The fourth proportional to 129,608.82, 194,488.83 and 70,450.74 is: 105,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,608.82 : 194,488.83 = 70,450.74 : x
  2. Step 2: Convert to fraction form
    129,608.82/194,488.83 = 70,450.74/x
  3. Step 3: Cross multiply
    129,608.82x = 194,488.83 × 70,450.74
  4. Step 4: Simplify right side
    129,608.82x = 13,701,881,995.23
  5. Step 5: Solve for x
    x = 13,701,881,995.23/129,608.82
  6. Step 6: Final answer
    x = 105,717.20

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