Home / 103,837.32-155,738.94-28,962.54

Finding the Fourth Proportional to 103,837.32, 155,738.94 and 28,962.54

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Solution

The fourth proportional to 103,837.32, 155,738.94 and 28,962.54 is: 43,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,837.32 : 155,738.94 = 28,962.54 : x
  2. Step 2: Convert to fraction form
    103,837.32/155,738.94 = 28,962.54/x
  3. Step 3: Cross multiply
    103,837.32x = 155,738.94 × 28,962.54
  4. Step 4: Simplify right side
    103,837.32x = 4,510,595,279.31
  5. Step 5: Solve for x
    x = 4,510,595,279.31/103,837.32
  6. Step 6: Final answer
    x = 43,439.06

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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.