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Finding the Fourth Proportional to 131,764.80, 197,666.37 and 42,996.45

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Solution

The fourth proportional to 131,764.80, 197,666.37 and 42,996.45 is: 64,500.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,764.80 : 197,666.37 = 42,996.45 : x
  2. Step 2: Convert to fraction form
    131,764.80/197,666.37 = 42,996.45/x
  3. Step 3: Cross multiply
    131,764.80x = 197,666.37 × 42,996.45
  4. Step 4: Simplify right side
    131,764.80x = 8,498,952,194.39
  5. Step 5: Solve for x
    x = 8,498,952,194.39/131,764.80
  6. Step 6: Final answer
    x = 64,500.93

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