Home / 254,204.09-350,789.90-139,479.87

Finding the Fourth Proportional to 254,204.09, 350,789.90 and 139,479.87

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Solution

The fourth proportional to 254,204.09, 350,789.90 and 139,479.87 is: 192,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,204.09 : 350,789.90 = 139,479.87 : x
  2. Step 2: Convert to fraction form
    254,204.09/350,789.90 = 139,479.87/x
  3. Step 3: Cross multiply
    254,204.09x = 350,789.90 × 139,479.87
  4. Step 4: Simplify right side
    254,204.09x = 48,928,129,649.31
  5. Step 5: Solve for x
    x = 48,928,129,649.31/254,204.09
  6. Step 6: Final answer
    x = 192,475.78

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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.