Home / 252,400.74-348,297.21-139,223.22

Finding the Fourth Proportional to 252,400.74, 348,297.21 and 139,223.22

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Solution

The fourth proportional to 252,400.74, 348,297.21 and 139,223.22 is: 192,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,400.74 : 348,297.21 = 139,223.22 : x
  2. Step 2: Convert to fraction form
    252,400.74/348,297.21 = 139,223.22/x
  3. Step 3: Cross multiply
    252,400.74x = 348,297.21 × 139,223.22
  4. Step 4: Simplify right side
    252,400.74x = 48,491,059,093.22
  5. Step 5: Solve for x
    x = 48,491,059,093.22/252,400.74
  6. Step 6: Final answer
    x = 192,119.32

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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.