Home / 199,928.67-275,905.49-109,282.11

Finding the Fourth Proportional to 199,928.67, 275,905.49 and 109,282.11

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Solution

The fourth proportional to 199,928.67, 275,905.49 and 109,282.11 is: 150,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,928.67 : 275,905.49 = 109,282.11 : x
  2. Step 2: Convert to fraction form
    199,928.67/275,905.49 = 109,282.11/x
  3. Step 3: Cross multiply
    199,928.67x = 275,905.49 × 109,282.11
  4. Step 4: Simplify right side
    199,928.67x = 30,151,533,561.37
  5. Step 5: Solve for x
    x = 30,151,533,561.37/199,928.67
  6. Step 6: Final answer
    x = 150,811.45

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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.