Home / 252,401.48-348,314.04-139,224.20

Finding the Fourth Proportional to 252,401.48, 348,314.04 and 139,224.20

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Solution

The fourth proportional to 252,401.48, 348,314.04 and 139,224.20 is: 192,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,401.48 : 348,314.04 = 139,224.20 : x
  2. Step 2: Convert to fraction form
    252,401.48/348,314.04 = 139,224.20/x
  3. Step 3: Cross multiply
    252,401.48x = 348,314.04 × 139,224.20
  4. Step 4: Simplify right side
    252,401.48x = 48,493,743,567.77
  5. Step 5: Solve for x
    x = 48,493,743,567.77/252,401.48
  6. Step 6: Final answer
    x = 192,129.39

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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.