Home / 152,489.28-228,772.64-45,872.64

Finding the Fourth Proportional to 152,489.28, 228,772.64 and 45,872.64

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Solution

The fourth proportional to 152,489.28, 228,772.64 and 45,872.64 is: 68,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,489.28 : 228,772.64 = 45,872.64 : x
  2. Step 2: Convert to fraction form
    152,489.28/228,772.64 = 45,872.64/x
  3. Step 3: Cross multiply
    152,489.28x = 228,772.64 × 45,872.64
  4. Step 4: Simplify right side
    152,489.28x = 10,494,404,956.57
  5. Step 5: Solve for x
    x = 10,494,404,956.57/152,489.28
  6. Step 6: Final answer
    x = 68,820.61

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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.