Home / 171,862.29-237,198.47-100,242.31

Finding the Fourth Proportional to 171,862.29, 237,198.47 and 100,242.31

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Solution

The fourth proportional to 171,862.29, 237,198.47 and 100,242.31 is: 138,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,862.29 : 237,198.47 = 100,242.31 : x
  2. Step 2: Convert to fraction form
    171,862.29/237,198.47 = 100,242.31/x
  3. Step 3: Cross multiply
    171,862.29x = 237,198.47 × 100,242.31
  4. Step 4: Simplify right side
    171,862.29x = 23,777,321,467.06
  5. Step 5: Solve for x
    x = 23,777,321,467.06/171,862.29
  6. Step 6: Final answer
    x = 138,351.01

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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.