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Finding the Fourth Proportional to 142,640.52, 213,994.55 and 46,577.26

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Solution

The fourth proportional to 142,640.52, 213,994.55 and 46,577.26 is: 69,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,640.52 : 213,994.55 = 46,577.26 : x
  2. Step 2: Convert to fraction form
    142,640.52/213,994.55 = 46,577.26/x
  3. Step 3: Cross multiply
    142,640.52x = 213,994.55 × 46,577.26
  4. Step 4: Simplify right side
    142,640.52x = 9,967,279,793.93
  5. Step 5: Solve for x
    x = 9,967,279,793.93/142,640.52
  6. Step 6: Final answer
    x = 69,876.92

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