Home / 252,579.56-348,559.08-139,401.50

Finding the Fourth Proportional to 252,579.56, 348,559.08 and 139,401.50

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Solution

The fourth proportional to 252,579.56, 348,559.08 and 139,401.50 is: 192,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,579.56 : 348,559.08 = 139,401.50 : x
  2. Step 2: Convert to fraction form
    252,579.56/348,559.08 = 139,401.50/x
  3. Step 3: Cross multiply
    252,579.56x = 348,559.08 × 139,401.50
  4. Step 4: Simplify right side
    252,579.56x = 48,589,658,590.62
  5. Step 5: Solve for x
    x = 48,589,658,590.62/252,579.56
  6. Step 6: Final answer
    x = 192,373.68

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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.