Home / 120,304.22-166,015.59-66,589.34

Finding the Fourth Proportional to 120,304.22, 166,015.59 and 66,589.34

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Solution

The fourth proportional to 120,304.22, 166,015.59 and 66,589.34 is: 91,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,304.22 : 166,015.59 = 66,589.34 : x
  2. Step 2: Convert to fraction form
    120,304.22/166,015.59 = 66,589.34/x
  3. Step 3: Cross multiply
    120,304.22x = 166,015.59 × 66,589.34
  4. Step 4: Simplify right side
    120,304.22x = 11,054,868,567.81
  5. Step 5: Solve for x
    x = 11,054,868,567.81/120,304.22
  6. Step 6: Final answer
    x = 91,890.95

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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.