Home / 252,579.31-348,558.74-139,401.25

Finding the Fourth Proportional to 252,579.31, 348,558.74 and 139,401.25

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Solution

The fourth proportional to 252,579.31, 348,558.74 and 139,401.25 is: 192,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,579.31 : 348,558.74 = 139,401.25 : x
  2. Step 2: Convert to fraction form
    252,579.31/348,558.74 = 139,401.25/x
  3. Step 3: Cross multiply
    252,579.31x = 348,558.74 × 139,401.25
  4. Step 4: Simplify right side
    252,579.31x = 48,589,523,357.42
  5. Step 5: Solve for x
    x = 48,589,523,357.42/252,579.31
  6. Step 6: Final answer
    x = 192,373.33

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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.