Home / 253,918.38-350,240.72-163,131.16

Finding the Fourth Proportional to 253,918.38, 350,240.72 and 163,131.16

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Solution

The fourth proportional to 253,918.38, 350,240.72 and 163,131.16 is: 225,013.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,918.38 : 350,240.72 = 163,131.16 : x
  2. Step 2: Convert to fraction form
    253,918.38/350,240.72 = 163,131.16/x
  3. Step 3: Cross multiply
    253,918.38x = 350,240.72 × 163,131.16
  4. Step 4: Simplify right side
    253,918.38x = 57,135,174,932.84
  5. Step 5: Solve for x
    x = 57,135,174,932.84/253,918.38
  6. Step 6: Final answer
    x = 225,013.94

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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.