Home / 168,155.25-231,922.96-107,731.47

Finding the Fourth Proportional to 168,155.25, 231,922.96 and 107,731.47

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Solution

The fourth proportional to 168,155.25, 231,922.96 and 107,731.47 is: 148,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,155.25 : 231,922.96 = 107,731.47 : x
  2. Step 2: Convert to fraction form
    168,155.25/231,922.96 = 107,731.47/x
  3. Step 3: Cross multiply
    168,155.25x = 231,922.96 × 107,731.47
  4. Step 4: Simplify right side
    168,155.25x = 24,985,401,407.55
  5. Step 5: Solve for x
    x = 24,985,401,407.55/168,155.25
  6. Step 6: Final answer
    x = 148,585.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.