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Finding the Fourth Proportional to 110,705.20, 166,106.40 and 51,510.40

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Solution

The fourth proportional to 110,705.20, 166,106.40 and 51,510.40 is: 77,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,705.20 : 166,106.40 = 51,510.40 : x
  2. Step 2: Convert to fraction form
    110,705.20/166,106.40 = 51,510.40/x
  3. Step 3: Cross multiply
    110,705.20x = 166,106.40 × 51,510.40
  4. Step 4: Simplify right side
    110,705.20x = 8,556,207,106.56
  5. Step 5: Solve for x
    x = 8,556,207,106.56/110,705.20
  6. Step 6: Final answer
    x = 77,288.21

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