Home / 151,729.20-227,593.80-72,997.20

Finding the Fourth Proportional to 151,729.20, 227,593.80 and 72,997.20

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Solution

The fourth proportional to 151,729.20, 227,593.80 and 72,997.20 is: 109,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,729.20 : 227,593.80 = 72,997.20 : x
  2. Step 2: Convert to fraction form
    151,729.20/227,593.80 = 72,997.20/x
  3. Step 3: Cross multiply
    151,729.20x = 227,593.80 × 72,997.20
  4. Step 4: Simplify right side
    151,729.20x = 16,613,710,137.36
  5. Step 5: Solve for x
    x = 16,613,710,137.36/151,729.20
  6. Step 6: Final answer
    x = 109,495.80

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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.