Home / 101,245.26-151,864.10-31,122.76

Finding the Fourth Proportional to 101,245.26, 151,864.10 and 31,122.76

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Solution

The fourth proportional to 101,245.26, 151,864.10 and 31,122.76 is: 46,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,245.26 : 151,864.10 = 31,122.76 : x
  2. Step 2: Convert to fraction form
    101,245.26/151,864.10 = 31,122.76/x
  3. Step 3: Cross multiply
    101,245.26x = 151,864.10 × 31,122.76
  4. Step 4: Simplify right side
    101,245.26x = 4,726,429,936.92
  5. Step 5: Solve for x
    x = 4,726,429,936.92/101,245.26
  6. Step 6: Final answer
    x = 46,682.97

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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.