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Finding the Fourth Proportional to 140,051.70, 210,093.84 and 45,288.90

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Solution

The fourth proportional to 140,051.70, 210,093.84 and 45,288.90 is: 67,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,051.70 : 210,093.84 = 45,288.90 : x
  2. Step 2: Convert to fraction form
    140,051.70/210,093.84 = 45,288.90/x
  3. Step 3: Cross multiply
    140,051.70x = 210,093.84 × 45,288.90
  4. Step 4: Simplify right side
    140,051.70x = 9,514,918,910.38
  5. Step 5: Solve for x
    x = 9,514,918,910.38/140,051.70
  6. Step 6: Final answer
    x = 67,938.62

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