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Finding the Fourth Proportional to 125,272.62, 172,883.28 and 74,315.52

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Solution

The fourth proportional to 125,272.62, 172,883.28 and 74,315.52 is: 102,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,272.62 : 172,883.28 = 74,315.52 : x
  2. Step 2: Convert to fraction form
    125,272.62/172,883.28 = 74,315.52/x
  3. Step 3: Cross multiply
    125,272.62x = 172,883.28 × 74,315.52
  4. Step 4: Simplify right side
    125,272.62x = 12,847,910,852.51
  5. Step 5: Solve for x
    x = 12,847,910,852.51/125,272.62
  6. Step 6: Final answer
    x = 102,559.61

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