Home / 150,271.66-225,432.11-71,359.23

Finding the Fourth Proportional to 150,271.66, 225,432.11 and 71,359.23

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Solution

The fourth proportional to 150,271.66, 225,432.11 and 71,359.23 is: 107,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,271.66 : 225,432.11 = 71,359.23 : x
  2. Step 2: Convert to fraction form
    150,271.66/225,432.11 = 71,359.23/x
  3. Step 3: Cross multiply
    150,271.66x = 225,432.11 × 71,359.23
  4. Step 4: Simplify right side
    150,271.66x = 16,086,661,542.59
  5. Step 5: Solve for x
    x = 16,086,661,542.59/150,271.66
  6. Step 6: Final answer
    x = 107,050.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.