Home / 232,138.55-320,233.30-151,613.21

Finding the Fourth Proportional to 232,138.55, 320,233.30 and 151,613.21

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Solution

The fourth proportional to 232,138.55, 320,233.30 and 151,613.21 is: 209,149.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,138.55 : 320,233.30 = 151,613.21 : x
  2. Step 2: Convert to fraction form
    232,138.55/320,233.30 = 151,613.21/x
  3. Step 3: Cross multiply
    232,138.55x = 320,233.30 × 151,613.21
  4. Step 4: Simplify right side
    232,138.55x = 48,551,598,561.89
  5. Step 5: Solve for x
    x = 48,551,598,561.89/232,138.55
  6. Step 6: Final answer
    x = 209,149.23

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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.