Home / 228,926.08-315,912.06-126,949.90

Finding the Fourth Proportional to 228,926.08, 315,912.06 and 126,949.90

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Solution

The fourth proportional to 228,926.08, 315,912.06 and 126,949.90 is: 175,187.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,926.08 : 315,912.06 = 126,949.90 : x
  2. Step 2: Convert to fraction form
    228,926.08/315,912.06 = 126,949.90/x
  3. Step 3: Cross multiply
    228,926.08x = 315,912.06 × 126,949.90
  4. Step 4: Simplify right side
    228,926.08x = 40,105,004,425.79
  5. Step 5: Solve for x
    x = 40,105,004,425.79/228,926.08
  6. Step 6: Final answer
    x = 175,187.57

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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.