Home / 120,364.56-166,101.06-66,648.42

Finding the Fourth Proportional to 120,364.56, 166,101.06 and 66,648.42

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Solution

The fourth proportional to 120,364.56, 166,101.06 and 66,648.42 is: 91,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,364.56 : 166,101.06 = 66,648.42 : x
  2. Step 2: Convert to fraction form
    120,364.56/166,101.06 = 66,648.42/x
  3. Step 3: Cross multiply
    120,364.56x = 166,101.06 × 66,648.42
  4. Step 4: Simplify right side
    120,364.56x = 11,070,373,084.36
  5. Step 5: Solve for x
    x = 11,070,373,084.36/120,364.56
  6. Step 6: Final answer
    x = 91,973.69

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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.