Home / 260,083.56-390,138.84-82,604.46

Finding the Fourth Proportional to 260,083.56, 390,138.84 and 82,604.46

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Solution

The fourth proportional to 260,083.56, 390,138.84 and 82,604.46 is: 123,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,083.56 : 390,138.84 = 82,604.46 : x
  2. Step 2: Convert to fraction form
    260,083.56/390,138.84 = 82,604.46/x
  3. Step 3: Cross multiply
    260,083.56x = 390,138.84 × 82,604.46
  4. Step 4: Simplify right side
    260,083.56x = 32,227,208,203.23
  5. Step 5: Solve for x
    x = 32,227,208,203.23/260,083.56
  6. Step 6: Final answer
    x = 123,910.98

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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.