Home / 150,598.40-225,785.20-90,612.80

Finding the Fourth Proportional to 150,598.40, 225,785.20 and 90,612.80

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Solution

The fourth proportional to 150,598.40, 225,785.20 and 90,612.80 is: 135,851.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,598.40 : 225,785.20 = 90,612.80 : x
  2. Step 2: Convert to fraction form
    150,598.40/225,785.20 = 90,612.80/x
  3. Step 3: Cross multiply
    150,598.40x = 225,785.20 × 90,612.80
  4. Step 4: Simplify right side
    150,598.40x = 20,459,029,170.56
  5. Step 5: Solve for x
    x = 20,459,029,170.56/150,598.40
  6. Step 6: Final answer
    x = 135,851.57

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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.