Home / 103,279.33-154,872.26-36,721.23

Finding the Fourth Proportional to 103,279.33, 154,872.26 and 36,721.23

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Solution

The fourth proportional to 103,279.33, 154,872.26 and 36,721.23 is: 55,065.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,279.33 : 154,872.26 = 36,721.23 : x
  2. Step 2: Convert to fraction form
    103,279.33/154,872.26 = 36,721.23/x
  3. Step 3: Cross multiply
    103,279.33x = 154,872.26 × 36,721.23
  4. Step 4: Simplify right side
    103,279.33x = 5,687,099,880.08
  5. Step 5: Solve for x
    x = 5,687,099,880.08/103,279.33
  6. Step 6: Final answer
    x = 55,065.23

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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.