Home / 101,099.03-151,670.07-30,021.87

Finding the Fourth Proportional to 101,099.03, 151,670.07 and 30,021.87

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Solution

The fourth proportional to 101,099.03, 151,670.07 and 30,021.87 is: 45,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,099.03 : 151,670.07 = 30,021.87 : x
  2. Step 2: Convert to fraction form
    101,099.03/151,670.07 = 30,021.87/x
  3. Step 3: Cross multiply
    101,099.03x = 151,670.07 × 30,021.87
  4. Step 4: Simplify right side
    101,099.03x = 4,553,419,124.43
  5. Step 5: Solve for x
    x = 4,553,419,124.43/101,099.03
  6. Step 6: Final answer
    x = 45,039.20

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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.