Home / 151,239.97-226,514.89-72,409.96

Finding the Fourth Proportional to 151,239.97, 226,514.89 and 72,409.96

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Solution

The fourth proportional to 151,239.97, 226,514.89 and 72,409.96 is: 108,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,239.97 : 226,514.89 = 72,409.96 : x
  2. Step 2: Convert to fraction form
    151,239.97/226,514.89 = 72,409.96/x
  3. Step 3: Cross multiply
    151,239.97x = 226,514.89 × 72,409.96
  4. Step 4: Simplify right side
    151,239.97x = 16,401,934,124.30
  5. Step 5: Solve for x
    x = 16,401,934,124.30/151,239.97
  6. Step 6: Final answer
    x = 108,449.73

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1.5x scale

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.