Home / 212,147.96-292,691.32-131,546.48

Finding the Fourth Proportional to 212,147.96, 292,691.32 and 131,546.48

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Solution

The fourth proportional to 212,147.96, 292,691.32 and 131,546.48 is: 181,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,147.96 : 292,691.32 = 131,546.48 : x
  2. Step 2: Convert to fraction form
    212,147.96/292,691.32 = 131,546.48/x
  3. Step 3: Cross multiply
    212,147.96x = 292,691.32 × 131,546.48
  4. Step 4: Simplify right side
    212,147.96x = 38,502,512,872.55
  5. Step 5: Solve for x
    x = 38,502,512,872.55/212,147.96
  6. Step 6: Final answer
    x = 181,488.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.