Home / 166,071.44-229,179.52-90,621.60

Finding the Fourth Proportional to 166,071.44, 229,179.52 and 90,621.60

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Solution

The fourth proportional to 166,071.44, 229,179.52 and 90,621.60 is: 125,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,071.44 : 229,179.52 = 90,621.60 : x
  2. Step 2: Convert to fraction form
    166,071.44/229,179.52 = 90,621.60/x
  3. Step 3: Cross multiply
    166,071.44x = 229,179.52 × 90,621.60
  4. Step 4: Simplify right side
    166,071.44x = 20,768,614,789.63
  5. Step 5: Solve for x
    x = 20,768,614,789.63/166,071.44
  6. Step 6: Final answer
    x = 125,058.32

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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.