Home / 252,579.06-348,558.39-139,401

Finding the Fourth Proportional to 252,579.06, 348,558.39 and 139,401

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Solution

The fourth proportional to 252,579.06, 348,558.39 and 139,401 is: 192,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,579.06 : 348,558.39 = 139,401 : x
  2. Step 2: Convert to fraction form
    252,579.06/348,558.39 = 139,401/x
  3. Step 3: Cross multiply
    252,579.06x = 348,558.39 × 139,401
  4. Step 4: Simplify right side
    252,579.06x = 48,589,388,124.39
  5. Step 5: Solve for x
    x = 48,589,388,124.39/252,579.06
  6. Step 6: Final answer
    x = 192,372.99

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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.