Home / 228,943.54-315,921.22-126,968.69

Finding the Fourth Proportional to 228,943.54, 315,921.22 and 126,968.69

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Solution

The fourth proportional to 228,943.54, 315,921.22 and 126,968.69 is: 175,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,943.54 : 315,921.22 = 126,968.69 : x
  2. Step 2: Convert to fraction form
    228,943.54/315,921.22 = 126,968.69/x
  3. Step 3: Cross multiply
    228,943.54x = 315,921.22 × 126,968.69
  4. Step 4: Simplify right side
    228,943.54x = 40,112,103,918.98
  5. Step 5: Solve for x
    x = 40,112,103,918.98/228,943.54
  6. Step 6: Final answer
    x = 175,205.22

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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.