Home / 100,639.67-150,977.72-41,443.04

Finding the Fourth Proportional to 100,639.67, 150,977.72 and 41,443.04

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Solution

The fourth proportional to 100,639.67, 150,977.72 and 41,443.04 is: 62,172.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,639.67 : 150,977.72 = 41,443.04 : x
  2. Step 2: Convert to fraction form
    100,639.67/150,977.72 = 41,443.04/x
  3. Step 3: Cross multiply
    100,639.67x = 150,977.72 × 41,443.04
  4. Step 4: Simplify right side
    100,639.67x = 6,256,976,170.12
  5. Step 5: Solve for x
    x = 6,256,976,170.12/100,639.67
  6. Step 6: Final answer
    x = 62,172.07

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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.