Home / 120,573.42-166,397.97-66,857.30

Finding the Fourth Proportional to 120,573.42, 166,397.97 and 66,857.30

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Solution

The fourth proportional to 120,573.42, 166,397.97 and 66,857.30 is: 92,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,573.42 : 166,397.97 = 66,857.30 : x
  2. Step 2: Convert to fraction form
    120,573.42/166,397.97 = 66,857.30/x
  3. Step 3: Cross multiply
    120,573.42x = 166,397.97 × 66,857.30
  4. Step 4: Simplify right side
    120,573.42x = 11,124,918,167.69
  5. Step 5: Solve for x
    x = 11,124,918,167.69/120,573.42
  6. Step 6: Final answer
    x = 92,266.75

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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.