Home / 228,334.14-315,089.94-126,357.78

Finding the Fourth Proportional to 228,334.14, 315,089.94 and 126,357.78

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Solution

The fourth proportional to 228,334.14, 315,089.94 and 126,357.78 is: 174,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,334.14 : 315,089.94 = 126,357.78 : x
  2. Step 2: Convert to fraction form
    228,334.14/315,089.94 = 126,357.78/x
  3. Step 3: Cross multiply
    228,334.14x = 315,089.94 × 126,357.78
  4. Step 4: Simplify right side
    228,334.14x = 39,814,065,318.73
  5. Step 5: Solve for x
    x = 39,814,065,318.73/228,334.14
  6. Step 6: Final answer
    x = 174,367.55

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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.