Home / 228,895.92-315,877.05-126,928.56

Finding the Fourth Proportional to 228,895.92, 315,877.05 and 126,928.56

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Solution

The fourth proportional to 228,895.92, 315,877.05 and 126,928.56 is: 175,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,895.92 : 315,877.05 = 126,928.56 : x
  2. Step 2: Convert to fraction form
    228,895.92/315,877.05 = 126,928.56/x
  3. Step 3: Cross multiply
    228,895.92x = 315,877.05 × 126,928.56
  4. Step 4: Simplify right side
    228,895.92x = 40,093,820,278.09
  5. Step 5: Solve for x
    x = 40,093,820,278.09/228,895.92
  6. Step 6: Final answer
    x = 175,161.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.