Home / 254,601.45-351,350.97-139,889.37

Finding the Fourth Proportional to 254,601.45, 351,350.97 and 139,889.37

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Solution

The fourth proportional to 254,601.45, 351,350.97 and 139,889.37 is: 193,047.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,601.45 : 351,350.97 = 139,889.37 : x
  2. Step 2: Convert to fraction form
    254,601.45/351,350.97 = 139,889.37/x
  3. Step 3: Cross multiply
    254,601.45x = 351,350.97 × 139,889.37
  4. Step 4: Simplify right side
    254,601.45x = 49,150,265,842.19
  5. Step 5: Solve for x
    x = 49,150,265,842.19/254,601.45
  6. Step 6: Final answer
    x = 193,047.86

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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.