Home / 151,615.35-227,423.01-85,102.20

Finding the Fourth Proportional to 151,615.35, 227,423.01 and 85,102.20

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Solution

The fourth proportional to 151,615.35, 227,423.01 and 85,102.20 is: 127,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,615.35 : 227,423.01 = 85,102.20 : x
  2. Step 2: Convert to fraction form
    151,615.35/227,423.01 = 85,102.20/x
  3. Step 3: Cross multiply
    151,615.35x = 227,423.01 × 85,102.20
  4. Step 4: Simplify right side
    151,615.35x = 19,354,198,481.62
  5. Step 5: Solve for x
    x = 19,354,198,481.62/151,615.35
  6. Step 6: Final answer
    x = 127,653.29

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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.