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Finding the Fourth Proportional to 140,123.88, 193,369.14 and 76,460.58

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Solution

The fourth proportional to 140,123.88, 193,369.14 and 76,460.58 is: 105,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,123.88 : 193,369.14 = 76,460.58 : x
  2. Step 2: Convert to fraction form
    140,123.88/193,369.14 = 76,460.58/x
  3. Step 3: Cross multiply
    140,123.88x = 193,369.14 × 76,460.58
  4. Step 4: Simplify right side
    140,123.88x = 14,785,116,598.50
  5. Step 5: Solve for x
    x = 14,785,116,598.50/140,123.88
  6. Step 6: Final answer
    x = 105,514.61

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