Home / 252,230.20-348,080.36-139,057

Finding the Fourth Proportional to 252,230.20, 348,080.36 and 139,057

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Solution

The fourth proportional to 252,230.20, 348,080.36 and 139,057 is: 191,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,230.20 : 348,080.36 = 139,057 : x
  2. Step 2: Convert to fraction form
    252,230.20/348,080.36 = 139,057/x
  3. Step 3: Cross multiply
    252,230.20x = 348,080.36 × 139,057
  4. Step 4: Simplify right side
    252,230.20x = 48,403,010,620.52
  5. Step 5: Solve for x
    x = 48,403,010,620.52/252,230.20
  6. Step 6: Final answer
    x = 191,900.14

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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.