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Finding the Fourth Proportional to 128,415.16, 192,574.84 and 44,151.48

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Solution

The fourth proportional to 128,415.16, 192,574.84 and 44,151.48 is: 66,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,415.16 : 192,574.84 = 44,151.48 : x
  2. Step 2: Convert to fraction form
    128,415.16/192,574.84 = 44,151.48/x
  3. Step 3: Cross multiply
    128,415.16x = 192,574.84 × 44,151.48
  4. Step 4: Simplify right side
    128,415.16x = 8,502,464,196.76
  5. Step 5: Solve for x
    x = 8,502,464,196.76/128,415.16
  6. Step 6: Final answer
    x = 66,210.75

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