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Finding the Fourth Proportional to 142,859.62, 214,319.39 and 54,111.16

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Solution

The fourth proportional to 142,859.62, 214,319.39 and 54,111.16 is: 81,178.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,859.62 : 214,319.39 = 54,111.16 : x
  2. Step 2: Convert to fraction form
    142,859.62/214,319.39 = 54,111.16/x
  3. Step 3: Cross multiply
    142,859.62x = 214,319.39 × 54,111.16
  4. Step 4: Simplify right side
    142,859.62x = 11,597,070,803.39
  5. Step 5: Solve for x
    x = 11,597,070,803.39/142,859.62
  6. Step 6: Final answer
    x = 81,178.09

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