Home / 140,662.12-210,949.44-47,146

Finding the Fourth Proportional to 140,662.12, 210,949.44 and 47,146

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Solution

The fourth proportional to 140,662.12, 210,949.44 and 47,146 is: 70,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,662.12 : 210,949.44 = 47,146 : x
  2. Step 2: Convert to fraction form
    140,662.12/210,949.44 = 47,146/x
  3. Step 3: Cross multiply
    140,662.12x = 210,949.44 × 47,146
  4. Step 4: Simplify right side
    140,662.12x = 9,945,422,298.24
  5. Step 5: Solve for x
    x = 9,945,422,298.24/140,662.12
  6. Step 6: Final answer
    x = 70,704.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.