Home / 140,286.98-210,431.04-35,105.66

Finding the Fourth Proportional to 140,286.98, 210,431.04 and 35,105.66

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Solution

The fourth proportional to 140,286.98, 210,431.04 and 35,105.66 is: 52,658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,286.98 : 210,431.04 = 35,105.66 : x
  2. Step 2: Convert to fraction form
    140,286.98/210,431.04 = 35,105.66/x
  3. Step 3: Cross multiply
    140,286.98x = 210,431.04 × 35,105.66
  4. Step 4: Simplify right side
    140,286.98x = 7,387,320,543.69
  5. Step 5: Solve for x
    x = 7,387,320,543.69/140,286.98
  6. Step 6: Final answer
    x = 52,658.63

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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.