Home / 120,323.42-166,047.63-66,609.33

Finding the Fourth Proportional to 120,323.42, 166,047.63 and 66,609.33

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Solution

The fourth proportional to 120,323.42, 166,047.63 and 66,609.33 is: 91,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,323.42 : 166,047.63 = 66,609.33 : x
  2. Step 2: Convert to fraction form
    120,323.42/166,047.63 = 66,609.33/x
  3. Step 3: Cross multiply
    120,323.42x = 166,047.63 × 66,609.33
  4. Step 4: Simplify right side
    120,323.42x = 11,060,321,964.03
  5. Step 5: Solve for x
    x = 11,060,321,964.03/120,323.42
  6. Step 6: Final answer
    x = 91,921.61

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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.