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Finding the Fourth Proportional to 130,207.80, 179,685.90 and 73,619.40

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Solution

The fourth proportional to 130,207.80, 179,685.90 and 73,619.40 is: 101,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,207.80 : 179,685.90 = 73,619.40 : x
  2. Step 2: Convert to fraction form
    130,207.80/179,685.90 = 73,619.40/x
  3. Step 3: Cross multiply
    130,207.80x = 179,685.90 × 73,619.40
  4. Step 4: Simplify right side
    130,207.80x = 13,228,368,146.46
  5. Step 5: Solve for x
    x = 13,228,368,146.46/130,207.80
  6. Step 6: Final answer
    x = 101,594.28

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