Home / 143,115.42-214,658.55-37,945.02

Finding the Fourth Proportional to 143,115.42, 214,658.55 and 37,945.02

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Solution

The fourth proportional to 143,115.42, 214,658.55 and 37,945.02 is: 56,913.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,115.42 : 214,658.55 = 37,945.02 : x
  2. Step 2: Convert to fraction form
    143,115.42/214,658.55 = 37,945.02/x
  3. Step 3: Cross multiply
    143,115.42x = 214,658.55 × 37,945.02
  4. Step 4: Simplify right side
    143,115.42x = 8,145,222,972.92
  5. Step 5: Solve for x
    x = 8,145,222,972.92/143,115.42
  6. Step 6: Final answer
    x = 56,913.66

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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.