Home / 245,112.48-338,202.74-143,091.64

Finding the Fourth Proportional to 245,112.48, 338,202.74 and 143,091.64

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Solution

The fourth proportional to 245,112.48, 338,202.74 and 143,091.64 is: 197,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,112.48 : 338,202.74 = 143,091.64 : x
  2. Step 2: Convert to fraction form
    245,112.48/338,202.74 = 143,091.64/x
  3. Step 3: Cross multiply
    245,112.48x = 338,202.74 × 143,091.64
  4. Step 4: Simplify right side
    245,112.48x = 48,393,984,719.09
  5. Step 5: Solve for x
    x = 48,393,984,719.09/245,112.48
  6. Step 6: Final answer
    x = 197,435.83

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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.