Home / 199,943.09-275,922.02-109,300.14

Finding the Fourth Proportional to 199,943.09, 275,922.02 and 109,300.14

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Solution

The fourth proportional to 199,943.09, 275,922.02 and 109,300.14 is: 150,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,943.09 : 275,922.02 = 109,300.14 : x
  2. Step 2: Convert to fraction form
    199,943.09/275,922.02 = 109,300.14/x
  3. Step 3: Cross multiply
    199,943.09x = 275,922.02 × 109,300.14
  4. Step 4: Simplify right side
    199,943.09x = 30,158,314,868.58
  5. Step 5: Solve for x
    x = 30,158,314,868.58/199,943.09
  6. Step 6: Final answer
    x = 150,834.49

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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.