Home / 185,599.92-278,399.77-67,271.07

Finding the Fourth Proportional to 185,599.92, 278,399.77 and 67,271.07

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Solution

The fourth proportional to 185,599.92, 278,399.77 and 67,271.07 is: 100,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,599.92 : 278,399.77 = 67,271.07 : x
  2. Step 2: Convert to fraction form
    185,599.92/278,399.77 = 67,271.07/x
  3. Step 3: Cross multiply
    185,599.92x = 278,399.77 × 67,271.07
  4. Step 4: Simplify right side
    185,599.92x = 18,728,250,415.65
  5. Step 5: Solve for x
    x = 18,728,250,415.65/185,599.92
  6. Step 6: Final answer
    x = 100,906.57

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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.