Home / 140,939.96-211,381.24-52,172.36

Finding the Fourth Proportional to 140,939.96, 211,381.24 and 52,172.36

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Solution

The fourth proportional to 140,939.96, 211,381.24 and 52,172.36 is: 78,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,939.96 : 211,381.24 = 52,172.36 : x
  2. Step 2: Convert to fraction form
    140,939.96/211,381.24 = 52,172.36/x
  3. Step 3: Cross multiply
    140,939.96x = 211,381.24 × 52,172.36
  4. Step 4: Simplify right side
    140,939.96x = 11,028,259,042.71
  5. Step 5: Solve for x
    x = 11,028,259,042.71/140,939.96
  6. Step 6: Final answer
    x = 78,247.92

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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.