Home / 115,404.21-173,128.73-44,321.63

Finding the Fourth Proportional to 115,404.21, 173,128.73 and 44,321.63

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Solution

The fourth proportional to 115,404.21, 173,128.73 and 44,321.63 is: 66,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,404.21 : 173,128.73 = 44,321.63 : x
  2. Step 2: Convert to fraction form
    115,404.21/173,128.73 = 44,321.63/x
  3. Step 3: Cross multiply
    115,404.21x = 173,128.73 × 44,321.63
  4. Step 4: Simplify right side
    115,404.21x = 7,673,346,426.18
  5. Step 5: Solve for x
    x = 7,673,346,426.18/115,404.21
  6. Step 6: Final answer
    x = 66,491.04

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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.