Home / 215,625.85-297,556.70-123,760.26

Finding the Fourth Proportional to 215,625.85, 297,556.70 and 123,760.26

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Solution

The fourth proportional to 215,625.85, 297,556.70 and 123,760.26 is: 170,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,625.85 : 297,556.70 = 123,760.26 : x
  2. Step 2: Convert to fraction form
    215,625.85/297,556.70 = 123,760.26/x
  3. Step 3: Cross multiply
    215,625.85x = 297,556.70 × 123,760.26
  4. Step 4: Simplify right side
    215,625.85x = 36,825,692,450.16
  5. Step 5: Solve for x
    x = 36,825,692,450.16/215,625.85
  6. Step 6: Final answer
    x = 170,785.15

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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.