Home / 260,156.75-390,226.21-110,300.54

Finding the Fourth Proportional to 260,156.75, 390,226.21 and 110,300.54

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Solution

The fourth proportional to 260,156.75, 390,226.21 and 110,300.54 is: 165,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,156.75 : 390,226.21 = 110,300.54 : x
  2. Step 2: Convert to fraction form
    260,156.75/390,226.21 = 110,300.54/x
  3. Step 3: Cross multiply
    260,156.75x = 390,226.21 × 110,300.54
  4. Step 4: Simplify right side
    260,156.75x = 43,042,159,458.27
  5. Step 5: Solve for x
    x = 43,042,159,458.27/260,156.75
  6. Step 6: Final answer
    x = 165,447.02

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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.