Home / 152,426.25-228,694.37-81,274.05

Finding the Fourth Proportional to 152,426.25, 228,694.37 and 81,274.05

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Solution

The fourth proportional to 152,426.25, 228,694.37 and 81,274.05 is: 121,940.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,426.25 : 228,694.37 = 81,274.05 : x
  2. Step 2: Convert to fraction form
    152,426.25/228,694.37 = 81,274.05/x
  3. Step 3: Cross multiply
    152,426.25x = 228,694.37 × 81,274.05
  4. Step 4: Simplify right side
    152,426.25x = 18,586,917,255.73
  5. Step 5: Solve for x
    x = 18,586,917,255.73/152,426.25
  6. Step 6: Final answer
    x = 121,940.40

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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.