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Finding the Fourth Proportional to 130,411.82, 179,955.86 and 103,619.18

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Solution

The fourth proportional to 130,411.82, 179,955.86 and 103,619.18 is: 142,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,411.82 : 179,955.86 = 103,619.18 : x
  2. Step 2: Convert to fraction form
    130,411.82/179,955.86 = 103,619.18/x
  3. Step 3: Cross multiply
    130,411.82x = 179,955.86 × 103,619.18
  4. Step 4: Simplify right side
    130,411.82x = 18,646,878,649.39
  5. Step 5: Solve for x
    x = 18,646,878,649.39/130,411.82
  6. Step 6: Final answer
    x = 142,984.57

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