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Finding the Fourth Proportional to 353,064.40, 529,726.20 and 142,723.60

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Solution

The fourth proportional to 353,064.40, 529,726.20 and 142,723.60 is: 214,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,064.40 : 529,726.20 = 142,723.60 : x
  2. Step 2: Convert to fraction form
    353,064.40/529,726.20 = 142,723.60/x
  3. Step 3: Cross multiply
    353,064.40x = 529,726.20 × 142,723.60
  4. Step 4: Simplify right side
    353,064.40x = 75,604,430,278.32
  5. Step 5: Solve for x
    x = 75,604,430,278.32/353,064.40
  6. Step 6: Final answer
    x = 214,137.79

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