Home / 201,849.15-278,552.09-109,967.98

Finding the Fourth Proportional to 201,849.15, 278,552.09 and 109,967.98

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Solution

The fourth proportional to 201,849.15, 278,552.09 and 109,967.98 is: 151,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,849.15 : 278,552.09 = 109,967.98 : x
  2. Step 2: Convert to fraction form
    201,849.15/278,552.09 = 109,967.98/x
  3. Step 3: Cross multiply
    201,849.15x = 278,552.09 × 109,967.98
  4. Step 4: Simplify right side
    201,849.15x = 30,631,809,989.69
  5. Step 5: Solve for x
    x = 30,631,809,989.69/201,849.15
  6. Step 6: Final answer
    x = 151,755.95

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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.