Home / 199,077.56-298,581.78-67,749.56

Finding the Fourth Proportional to 199,077.56, 298,581.78 and 67,749.56

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Solution

The fourth proportional to 199,077.56, 298,581.78 and 67,749.56 is: 101,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,077.56 : 298,581.78 = 67,749.56 : x
  2. Step 2: Convert to fraction form
    199,077.56/298,581.78 = 67,749.56/x
  3. Step 3: Cross multiply
    199,077.56x = 298,581.78 × 67,749.56
  4. Step 4: Simplify right side
    199,077.56x = 20,228,784,219.02
  5. Step 5: Solve for x
    x = 20,228,784,219.02/199,077.56
  6. Step 6: Final answer
    x = 101,612.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.