Home / 250,174.09-345,233.91-139,793.70

Finding the Fourth Proportional to 250,174.09, 345,233.91 and 139,793.70

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Solution

The fourth proportional to 250,174.09, 345,233.91 and 139,793.70 is: 192,911.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,174.09 : 345,233.91 = 139,793.70 : x
  2. Step 2: Convert to fraction form
    250,174.09/345,233.91 = 139,793.70/x
  3. Step 3: Cross multiply
    250,174.09x = 345,233.91 × 139,793.70
  4. Step 4: Simplify right side
    250,174.09x = 48,261,525,644.37
  5. Step 5: Solve for x
    x = 48,261,525,644.37/250,174.09
  6. Step 6: Final answer
    x = 192,911.77

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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.