Home / 212,231.62-292,713.66-131,613.58

Finding the Fourth Proportional to 212,231.62, 292,713.66 and 131,613.58

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Solution

The fourth proportional to 212,231.62, 292,713.66 and 131,613.58 is: 181,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,231.62 : 292,713.66 = 131,613.58 : x
  2. Step 2: Convert to fraction form
    212,231.62/292,713.66 = 131,613.58/x
  3. Step 3: Cross multiply
    212,231.62x = 292,713.66 × 131,613.58
  4. Step 4: Simplify right side
    212,231.62x = 38,525,092,707.50
  5. Step 5: Solve for x
    x = 38,525,092,707.50/212,231.62
  6. Step 6: Final answer
    x = 181,523.81

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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.