Home / 152,680.45-228,913.37-67,250.77

Finding the Fourth Proportional to 152,680.45, 228,913.37 and 67,250.77

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Solution

The fourth proportional to 152,680.45, 228,913.37 and 67,250.77 is: 100,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,680.45 : 228,913.37 = 67,250.77 : x
  2. Step 2: Convert to fraction form
    152,680.45/228,913.37 = 67,250.77/x
  3. Step 3: Cross multiply
    152,680.45x = 228,913.37 × 67,250.77
  4. Step 4: Simplify right side
    152,680.45x = 15,394,599,251.23
  5. Step 5: Solve for x
    x = 15,394,599,251.23/152,680.45
  6. Step 6: Final answer
    x = 100,828.88

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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.