Home / 154,360.20-231,669.90-70,249.80

Finding the Fourth Proportional to 154,360.20, 231,669.90 and 70,249.80

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Solution

The fourth proportional to 154,360.20, 231,669.90 and 70,249.80 is: 105,433.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,360.20 : 231,669.90 = 70,249.80 : x
  2. Step 2: Convert to fraction form
    154,360.20/231,669.90 = 70,249.80/x
  3. Step 3: Cross multiply
    154,360.20x = 231,669.90 × 70,249.80
  4. Step 4: Simplify right side
    154,360.20x = 16,274,764,141.02
  5. Step 5: Solve for x
    x = 16,274,764,141.02/154,360.20
  6. Step 6: Final answer
    x = 105,433.68

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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.