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Finding the Fourth Proportional to 122,531.70, 183,797.55 and 121,656.90

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Solution

The fourth proportional to 122,531.70, 183,797.55 and 121,656.90 is: 182,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,531.70 : 183,797.55 = 121,656.90 : x
  2. Step 2: Convert to fraction form
    122,531.70/183,797.55 = 121,656.90/x
  3. Step 3: Cross multiply
    122,531.70x = 183,797.55 × 121,656.90
  4. Step 4: Simplify right side
    122,531.70x = 22,360,240,160.60
  5. Step 5: Solve for x
    x = 22,360,240,160.60/122,531.70
  6. Step 6: Final answer
    x = 182,485.35

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