Home / 216,467.70-298,532.01-135,902.73

Finding the Fourth Proportional to 216,467.70, 298,532.01 and 135,902.73

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Solution

The fourth proportional to 216,467.70, 298,532.01 and 135,902.73 is: 187,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,467.70 : 298,532.01 = 135,902.73 : x
  2. Step 2: Convert to fraction form
    216,467.70/298,532.01 = 135,902.73/x
  3. Step 3: Cross multiply
    216,467.70x = 298,532.01 × 135,902.73
  4. Step 4: Simplify right side
    216,467.70x = 40,571,315,151.39
  5. Step 5: Solve for x
    x = 40,571,315,151.39/216,467.70
  6. Step 6: Final answer
    x = 187,424.34

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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.