Home / 150,858.29-208,161.30-87,183.80

Finding the Fourth Proportional to 150,858.29, 208,161.30 and 87,183.80

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Solution

The fourth proportional to 150,858.29, 208,161.30 and 87,183.80 is: 120,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,858.29 : 208,161.30 = 87,183.80 : x
  2. Step 2: Convert to fraction form
    150,858.29/208,161.30 = 87,183.80/x
  3. Step 3: Cross multiply
    150,858.29x = 208,161.30 × 87,183.80
  4. Step 4: Simplify right side
    150,858.29x = 18,148,293,146.94
  5. Step 5: Solve for x
    x = 18,148,293,146.94/150,858.29
  6. Step 6: Final answer
    x = 120,300.27

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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.