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Finding the Fourth Proportional to 131,703.60, 197,458.20 and 56,762.40

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Solution

The fourth proportional to 131,703.60, 197,458.20 and 56,762.40 is: 85,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.60 : 197,458.20 = 56,762.40 : x
  2. Step 2: Convert to fraction form
    131,703.60/197,458.20 = 56,762.40/x
  3. Step 3: Cross multiply
    131,703.60x = 197,458.20 × 56,762.40
  4. Step 4: Simplify right side
    131,703.60x = 11,208,201,331.68
  5. Step 5: Solve for x
    x = 11,208,201,331.68/131,703.60
  6. Step 6: Final answer
    x = 85,101.71

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