Home / 120,493.34-166,282.14-66,779.42

Finding the Fourth Proportional to 120,493.34, 166,282.14 and 66,779.42

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Solution

The fourth proportional to 120,493.34, 166,282.14 and 66,779.42 is: 92,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,493.34 : 166,282.14 = 66,779.42 : x
  2. Step 2: Convert to fraction form
    120,493.34/166,282.14 = 66,779.42/x
  3. Step 3: Cross multiply
    120,493.34x = 166,282.14 × 66,779.42
  4. Step 4: Simplify right side
    120,493.34x = 11,104,224,865.56
  5. Step 5: Solve for x
    x = 11,104,224,865.56/120,493.34
  6. Step 6: Final answer
    x = 92,156.34

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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.