Home / 254,085.05-350,634.98-139,361.34

Finding the Fourth Proportional to 254,085.05, 350,634.98 and 139,361.34

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Solution

The fourth proportional to 254,085.05, 350,634.98 and 139,361.34 is: 192,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,085.05 : 350,634.98 = 139,361.34 : x
  2. Step 2: Convert to fraction form
    254,085.05/350,634.98 = 139,361.34/x
  3. Step 3: Cross multiply
    254,085.05x = 350,634.98 × 139,361.34
  4. Step 4: Simplify right side
    254,085.05x = 48,864,959,966.87
  5. Step 5: Solve for x
    x = 48,864,959,966.87/254,085.05
  6. Step 6: Final answer
    x = 192,317.34

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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.