Home / 254,505.20-381,903.60-96,846.80

Finding the Fourth Proportional to 254,505.20, 381,903.60 and 96,846.80

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Solution

The fourth proportional to 254,505.20, 381,903.60 and 96,846.80 is: 145,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,505.20 : 381,903.60 = 96,846.80 : x
  2. Step 2: Convert to fraction form
    254,505.20/381,903.60 = 96,846.80/x
  3. Step 3: Cross multiply
    254,505.20x = 381,903.60 × 96,846.80
  4. Step 4: Simplify right side
    254,505.20x = 36,986,141,568.48
  5. Step 5: Solve for x
    x = 36,986,141,568.48/254,505.20
  6. Step 6: Final answer
    x = 145,325.68

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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.