Home / 80,138.40-110,586.48-46,141.44

Finding the Fourth Proportional to 80,138.40, 110,586.48 and 46,141.44

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Solution

The fourth proportional to 80,138.40, 110,586.48 and 46,141.44 is: 63,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,138.40 : 110,586.48 = 46,141.44 : x
  2. Step 2: Convert to fraction form
    80,138.40/110,586.48 = 46,141.44/x
  3. Step 3: Cross multiply
    80,138.40x = 110,586.48 × 46,141.44
  4. Step 4: Simplify right side
    80,138.40x = 5,102,619,431.73
  5. Step 5: Solve for x
    x = 5,102,619,431.73/80,138.40
  6. Step 6: Final answer
    x = 63,672.59

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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.