Home / 185,973.87-278,727.32-100,581.32

Finding the Fourth Proportional to 185,973.87, 278,727.32 and 100,581.32

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Solution

The fourth proportional to 185,973.87, 278,727.32 and 100,581.32 is: 150,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,973.87 : 278,727.32 = 100,581.32 : x
  2. Step 2: Convert to fraction form
    185,973.87/278,727.32 = 100,581.32/x
  3. Step 3: Cross multiply
    185,973.87x = 278,727.32 × 100,581.32
  4. Step 4: Simplify right side
    185,973.87x = 28,034,760,972.28
  5. Step 5: Solve for x
    x = 28,034,760,972.28/185,973.87
  6. Step 6: Final answer
    x = 150,745.70

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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.