Home / 166,164.72-229,298.64-90,698.64

Finding the Fourth Proportional to 166,164.72, 229,298.64 and 90,698.64

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Solution

The fourth proportional to 166,164.72, 229,298.64 and 90,698.64 is: 125,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,164.72 : 229,298.64 = 90,698.64 : x
  2. Step 2: Convert to fraction form
    166,164.72/229,298.64 = 90,698.64/x
  3. Step 3: Cross multiply
    166,164.72x = 229,298.64 × 90,698.64
  4. Step 4: Simplify right side
    166,164.72x = 20,797,074,801.85
  5. Step 5: Solve for x
    x = 20,797,074,801.85/166,164.72
  6. Step 6: Final answer
    x = 125,159.39

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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.