Home / 204,271.36-281,879.68-127,824.64

Finding the Fourth Proportional to 204,271.36, 281,879.68 and 127,824.64

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Solution

The fourth proportional to 204,271.36, 281,879.68 and 127,824.64 is: 176,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,271.36 : 281,879.68 = 127,824.64 : x
  2. Step 2: Convert to fraction form
    204,271.36/281,879.68 = 127,824.64/x
  3. Step 3: Cross multiply
    204,271.36x = 281,879.68 × 127,824.64
  4. Step 4: Simplify right side
    204,271.36x = 36,031,168,619.32
  5. Step 5: Solve for x
    x = 36,031,168,619.32/204,271.36
  6. Step 6: Final answer
    x = 176,388.74

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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.