Home / 112,059.06-168,135.84-45,481.92

Finding the Fourth Proportional to 112,059.06, 168,135.84 and 45,481.92

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Solution

The fourth proportional to 112,059.06, 168,135.84 and 45,481.92 is: 68,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,059.06 : 168,135.84 = 45,481.92 : x
  2. Step 2: Convert to fraction form
    112,059.06/168,135.84 = 45,481.92/x
  3. Step 3: Cross multiply
    112,059.06x = 168,135.84 × 45,481.92
  4. Step 4: Simplify right side
    112,059.06x = 7,647,140,824.01
  5. Step 5: Solve for x
    x = 7,647,140,824.01/112,059.06
  6. Step 6: Final answer
    x = 68,242.06

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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.