Home / 151,722.30-227,328.30-120,010.80

Finding the Fourth Proportional to 151,722.30, 227,328.30 and 120,010.80

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Solution

The fourth proportional to 151,722.30, 227,328.30 and 120,010.80 is: 179,814.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,722.30 : 227,328.30 = 120,010.80 : x
  2. Step 2: Convert to fraction form
    151,722.30/227,328.30 = 120,010.80/x
  3. Step 3: Cross multiply
    151,722.30x = 227,328.30 × 120,010.80
  4. Step 4: Simplify right side
    151,722.30x = 27,281,851,145.64
  5. Step 5: Solve for x
    x = 27,281,851,145.64/151,722.30
  6. Step 6: Final answer
    x = 179,814.38

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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.