Home / 213,240.85-294,289.67-122,626.15

Finding the Fourth Proportional to 213,240.85, 294,289.67 and 122,626.15

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Solution

The fourth proportional to 213,240.85, 294,289.67 and 122,626.15 is: 169,234.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,240.85 : 294,289.67 = 122,626.15 : x
  2. Step 2: Convert to fraction form
    213,240.85/294,289.67 = 122,626.15/x
  3. Step 3: Cross multiply
    213,240.85x = 294,289.67 × 122,626.15
  4. Step 4: Simplify right side
    213,240.85x = 36,087,609,216.87
  5. Step 5: Solve for x
    x = 36,087,609,216.87/213,240.85
  6. Step 6: Final answer
    x = 169,234.03

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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.