Home / 120,650.67-166,313.75-95,111.37

Finding the Fourth Proportional to 120,650.67, 166,313.75 and 95,111.37

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Solution

The fourth proportional to 120,650.67, 166,313.75 and 95,111.37 is: 131,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,650.67 : 166,313.75 = 95,111.37 : x
  2. Step 2: Convert to fraction form
    120,650.67/166,313.75 = 95,111.37/x
  3. Step 3: Cross multiply
    120,650.67x = 166,313.75 × 95,111.37
  4. Step 4: Simplify right side
    120,650.67x = 15,818,328,136.78
  5. Step 5: Solve for x
    x = 15,818,328,136.78/120,650.67
  6. Step 6: Final answer
    x = 131,108.50

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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.