Home / 263,980.26-364,293.09-143,121.51

Finding the Fourth Proportional to 263,980.26, 364,293.09 and 143,121.51

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Solution

The fourth proportional to 263,980.26, 364,293.09 and 143,121.51 is: 197,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,980.26 : 364,293.09 = 143,121.51 : x
  2. Step 2: Convert to fraction form
    263,980.26/364,293.09 = 143,121.51/x
  3. Step 3: Cross multiply
    263,980.26x = 364,293.09 × 143,121.51
  4. Step 4: Simplify right side
    263,980.26x = 52,138,177,123.37
  5. Step 5: Solve for x
    x = 52,138,177,123.37/263,980.26
  6. Step 6: Final answer
    x = 197,507.86

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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.