Home / 166,067.08-229,178.10-90,619.72

Finding the Fourth Proportional to 166,067.08, 229,178.10 and 90,619.72

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Solution

The fourth proportional to 166,067.08, 229,178.10 and 90,619.72 is: 125,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,067.08 : 229,178.10 = 90,619.72 : x
  2. Step 2: Convert to fraction form
    166,067.08/229,178.10 = 90,619.72/x
  3. Step 3: Cross multiply
    166,067.08x = 229,178.10 × 90,619.72
  4. Step 4: Simplify right side
    166,067.08x = 20,768,055,252.13
  5. Step 5: Solve for x
    x = 20,768,055,252.13/166,067.08
  6. Step 6: Final answer
    x = 125,058.23

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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.