Home / 103,759.85-155,624.29-28,872.18

Finding the Fourth Proportional to 103,759.85, 155,624.29 and 28,872.18

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Solution

The fourth proportional to 103,759.85, 155,624.29 and 28,872.18 is: 43,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,759.85 : 155,624.29 = 28,872.18 : x
  2. Step 2: Convert to fraction form
    103,759.85/155,624.29 = 28,872.18/x
  3. Step 3: Cross multiply
    103,759.85x = 155,624.29 × 28,872.18
  4. Step 4: Simplify right side
    103,759.85x = 4,493,212,441.07
  5. Step 5: Solve for x
    x = 4,493,212,441.07/103,759.85
  6. Step 6: Final answer
    x = 43,303.96

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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.