Home / 120,567.72-166,388.78-66,849.33

Finding the Fourth Proportional to 120,567.72, 166,388.78 and 66,849.33

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Solution

The fourth proportional to 120,567.72, 166,388.78 and 66,849.33 is: 92,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,567.72 : 166,388.78 = 66,849.33 : x
  2. Step 2: Convert to fraction form
    120,567.72/166,388.78 = 66,849.33/x
  3. Step 3: Cross multiply
    120,567.72x = 166,388.78 × 66,849.33
  4. Step 4: Simplify right side
    120,567.72x = 11,122,979,253.60
  5. Step 5: Solve for x
    x = 11,122,979,253.60/120,567.72
  6. Step 6: Final answer
    x = 92,255.03

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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.