Home / 120,667.51-166,518.62-66,951.37

Finding the Fourth Proportional to 120,667.51, 166,518.62 and 66,951.37

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Solution

The fourth proportional to 120,667.51, 166,518.62 and 66,951.37 is: 92,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,667.51 : 166,518.62 = 66,951.37 : x
  2. Step 2: Convert to fraction form
    120,667.51/166,518.62 = 66,951.37/x
  3. Step 3: Cross multiply
    120,667.51x = 166,518.62 × 66,951.37
  4. Step 4: Simplify right side
    120,667.51x = 11,148,649,739.51
  5. Step 5: Solve for x
    x = 11,148,649,739.51/120,667.51
  6. Step 6: Final answer
    x = 92,391.48

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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.