Home / 185,491.20-255,979.80-104,919.60

Finding the Fourth Proportional to 185,491.20, 255,979.80 and 104,919.60

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Solution

The fourth proportional to 185,491.20, 255,979.80 and 104,919.60 is: 144,790.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,491.20 : 255,979.80 = 104,919.60 : x
  2. Step 2: Convert to fraction form
    185,491.20/255,979.80 = 104,919.60/x
  3. Step 3: Cross multiply
    185,491.20x = 255,979.80 × 104,919.60
  4. Step 4: Simplify right side
    185,491.20x = 26,857,298,224.08
  5. Step 5: Solve for x
    x = 26,857,298,224.08/185,491.20
  6. Step 6: Final answer
    x = 144,790.15

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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.