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Finding the Fourth Proportional to 487,172.25, 730,672.11 and 132,213.87

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Solution

The fourth proportional to 487,172.25, 730,672.11 and 132,213.87 is: 198,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,172.25 : 730,672.11 = 132,213.87 : x
  2. Step 2: Convert to fraction form
    487,172.25/730,672.11 = 132,213.87/x
  3. Step 3: Cross multiply
    487,172.25x = 730,672.11 × 132,213.87
  4. Step 4: Simplify right side
    487,172.25x = 96,604,987,364.17
  5. Step 5: Solve for x
    x = 96,604,987,364.17/487,172.25
  6. Step 6: Final answer
    x = 198,297.39

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