Home / 140,850.68-194,392.55-80,407.67

Finding the Fourth Proportional to 140,850.68, 194,392.55 and 80,407.67

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Solution

The fourth proportional to 140,850.68, 194,392.55 and 80,407.67 is: 110,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,850.68 : 194,392.55 = 80,407.67 : x
  2. Step 2: Convert to fraction form
    140,850.68/194,392.55 = 80,407.67/x
  3. Step 3: Cross multiply
    140,850.68x = 194,392.55 × 80,407.67
  4. Step 4: Simplify right side
    140,850.68x = 15,630,651,524.88
  5. Step 5: Solve for x
    x = 15,630,651,524.88/140,850.68
  6. Step 6: Final answer
    x = 110,973.21

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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.