Home / 213,163.98-294,261.93-140,609.67

Finding the Fourth Proportional to 213,163.98, 294,261.93 and 140,609.67

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Solution

The fourth proportional to 213,163.98, 294,261.93 and 140,609.67 is: 194,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,163.98 : 294,261.93 = 140,609.67 : x
  2. Step 2: Convert to fraction form
    213,163.98/294,261.93 = 140,609.67/x
  3. Step 3: Cross multiply
    213,163.98x = 294,261.93 × 140,609.67
  4. Step 4: Simplify right side
    213,163.98x = 41,376,072,870.86
  5. Step 5: Solve for x
    x = 41,376,072,870.86/213,163.98
  6. Step 6: Final answer
    x = 194,104.43

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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.