Home / 131,452.42-197,178.48-31,612.54

Finding the Fourth Proportional to 131,452.42, 197,178.48 and 31,612.54

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Solution

The fourth proportional to 131,452.42, 197,178.48 and 31,612.54 is: 47,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,452.42 : 197,178.48 = 31,612.54 : x
  2. Step 2: Convert to fraction form
    131,452.42/197,178.48 = 31,612.54/x
  3. Step 3: Cross multiply
    131,452.42x = 197,178.48 × 31,612.54
  4. Step 4: Simplify right side
    131,452.42x = 6,233,312,586.14
  5. Step 5: Solve for x
    x = 6,233,312,586.14/131,452.42
  6. Step 6: Final answer
    x = 47,418.77

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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.