Home / 184,898.45-255,078.83-108,378.76

Finding the Fourth Proportional to 184,898.45, 255,078.83 and 108,378.76

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Solution

The fourth proportional to 184,898.45, 255,078.83 and 108,378.76 is: 149,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,898.45 : 255,078.83 = 108,378.76 : x
  2. Step 2: Convert to fraction form
    184,898.45/255,078.83 = 108,378.76/x
  3. Step 3: Cross multiply
    184,898.45x = 255,078.83 × 108,378.76
  4. Step 4: Simplify right side
    184,898.45x = 27,645,127,297.65
  5. Step 5: Solve for x
    x = 27,645,127,297.65/184,898.45
  6. Step 6: Final answer
    x = 149,515.19

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1.5x scale

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.