Home / 150,389.88-207,524.24-86,715.36

Finding the Fourth Proportional to 150,389.88, 207,524.24 and 86,715.36

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Solution

The fourth proportional to 150,389.88, 207,524.24 and 86,715.36 is: 119,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,389.88 : 207,524.24 = 86,715.36 : x
  2. Step 2: Convert to fraction form
    150,389.88/207,524.24 = 86,715.36/x
  3. Step 3: Cross multiply
    150,389.88x = 207,524.24 × 86,715.36
  4. Step 4: Simplify right side
    150,389.88x = 17,995,539,180.33
  5. Step 5: Solve for x
    x = 17,995,539,180.33/150,389.88
  6. Step 6: Final answer
    x = 119,659.24

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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.