Home / 254,453.37-351,145.98-139,739.43

Finding the Fourth Proportional to 254,453.37, 351,145.98 and 139,739.43

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Solution

The fourth proportional to 254,453.37, 351,145.98 and 139,739.43 is: 192,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,453.37 : 351,145.98 = 139,739.43 : x
  2. Step 2: Convert to fraction form
    254,453.37/351,145.98 = 139,739.43/x
  3. Step 3: Cross multiply
    254,453.37x = 351,145.98 × 139,739.43
  4. Step 4: Simplify right side
    254,453.37x = 49,068,939,091.99
  5. Step 5: Solve for x
    x = 49,068,939,091.99/254,453.37
  6. Step 6: Final answer
    x = 192,840.59

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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.