Home / 252,971.04-349,086.30-139,786.50

Finding the Fourth Proportional to 252,971.04, 349,086.30 and 139,786.50

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Solution

The fourth proportional to 252,971.04, 349,086.30 and 139,786.50 is: 192,897.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,971.04 : 349,086.30 = 139,786.50 : x
  2. Step 2: Convert to fraction form
    252,971.04/349,086.30 = 139,786.50/x
  3. Step 3: Cross multiply
    252,971.04x = 349,086.30 × 139,786.50
  4. Step 4: Simplify right side
    252,971.04x = 48,797,552,074.95
  5. Step 5: Solve for x
    x = 48,797,552,074.95/252,971.04
  6. Step 6: Final answer
    x = 192,897.78

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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.