Home / 100,659.33-151,013.75-50,082.26

Finding the Fourth Proportional to 100,659.33, 151,013.75 and 50,082.26

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Solution

The fourth proportional to 100,659.33, 151,013.75 and 50,082.26 is: 75,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,659.33 : 151,013.75 = 50,082.26 : x
  2. Step 2: Convert to fraction form
    100,659.33/151,013.75 = 50,082.26/x
  3. Step 3: Cross multiply
    100,659.33x = 151,013.75 × 50,082.26
  4. Step 4: Simplify right side
    100,659.33x = 7,563,108,885.59
  5. Step 5: Solve for x
    x = 7,563,108,885.59/100,659.33
  6. Step 6: Final answer
    x = 75,135.70

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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.