Home / 107,544.89-161,317.32-51,214.21

Finding the Fourth Proportional to 107,544.89, 161,317.32 and 51,214.21

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Solution

The fourth proportional to 107,544.89, 161,317.32 and 51,214.21 is: 76,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,544.89 : 161,317.32 = 51,214.21 : x
  2. Step 2: Convert to fraction form
    107,544.89/161,317.32 = 51,214.21/x
  3. Step 3: Cross multiply
    107,544.89x = 161,317.32 × 51,214.21
  4. Step 4: Simplify right side
    107,544.89x = 8,261,739,103.12
  5. Step 5: Solve for x
    x = 8,261,739,103.12/107,544.89
  6. Step 6: Final answer
    x = 76,821.31

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1.5x scale

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.