Home / 112,912.67-169,325.92-38,012.73

Finding the Fourth Proportional to 112,912.67, 169,325.92 and 38,012.73

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Solution

The fourth proportional to 112,912.67, 169,325.92 and 38,012.73 is: 57,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,912.67 : 169,325.92 = 38,012.73 : x
  2. Step 2: Convert to fraction form
    112,912.67/169,325.92 = 38,012.73/x
  3. Step 3: Cross multiply
    112,912.67x = 169,325.92 × 38,012.73
  4. Step 4: Simplify right side
    112,912.67x = 6,436,540,478.96
  5. Step 5: Solve for x
    x = 6,436,540,478.96/112,912.67
  6. Step 6: Final answer
    x = 57,004.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.