Home / 152,120.20-228,212.70-46,949.80

Finding the Fourth Proportional to 152,120.20, 228,212.70 and 46,949.80

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Solution

The fourth proportional to 152,120.20, 228,212.70 and 46,949.80 is: 70,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,120.20 : 228,212.70 = 46,949.80 : x
  2. Step 2: Convert to fraction form
    152,120.20/228,212.70 = 46,949.80/x
  3. Step 3: Cross multiply
    152,120.20x = 228,212.70 × 46,949.80
  4. Step 4: Simplify right side
    152,120.20x = 10,714,540,622.46
  5. Step 5: Solve for x
    x = 10,714,540,622.46/152,120.20
  6. Step 6: Final answer
    x = 70,434.70

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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.