Home / 152,785.71-228,913.97-82,713.15

Finding the Fourth Proportional to 152,785.71, 228,913.97 and 82,713.15

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Solution

The fourth proportional to 152,785.71, 228,913.97 and 82,713.15 is: 123,926.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,785.71 : 228,913.97 = 82,713.15 : x
  2. Step 2: Convert to fraction form
    152,785.71/228,913.97 = 82,713.15/x
  3. Step 3: Cross multiply
    152,785.71x = 228,913.97 × 82,713.15
  4. Step 4: Simplify right side
    152,785.71x = 18,934,195,124.14
  5. Step 5: Solve for x
    x = 18,934,195,124.14/152,785.71
  6. Step 6: Final answer
    x = 123,926.48

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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.