Home / 150,218.31-207,324.03-85,687.23

Finding the Fourth Proportional to 150,218.31, 207,324.03 and 85,687.23

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Solution

The fourth proportional to 150,218.31, 207,324.03 and 85,687.23 is: 118,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,218.31 : 207,324.03 = 85,687.23 : x
  2. Step 2: Convert to fraction form
    150,218.31/207,324.03 = 85,687.23/x
  3. Step 3: Cross multiply
    150,218.31x = 207,324.03 × 85,687.23
  4. Step 4: Simplify right side
    150,218.31x = 17,765,021,843.14
  5. Step 5: Solve for x
    x = 17,765,021,843.14/150,218.31
  6. Step 6: Final answer
    x = 118,261.36

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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.