Home / 165,338.37-248,109.08-131,403.64

Finding the Fourth Proportional to 165,338.37, 248,109.08 and 131,403.64

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Solution

The fourth proportional to 165,338.37, 248,109.08 and 131,403.64 is: 197,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,338.37 : 248,109.08 = 131,403.64 : x
  2. Step 2: Convert to fraction form
    165,338.37/248,109.08 = 131,403.64/x
  3. Step 3: Cross multiply
    165,338.37x = 248,109.08 × 131,403.64
  4. Step 4: Simplify right side
    165,338.37x = 32,602,436,229.05
  5. Step 5: Solve for x
    x = 32,602,436,229.05/165,338.37
  6. Step 6: Final answer
    x = 197,186.15

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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.