Home / 141,290.85-194,992.23-80,880.45

Finding the Fourth Proportional to 141,290.85, 194,992.23 and 80,880.45

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Solution

The fourth proportional to 141,290.85, 194,992.23 and 80,880.45 is: 111,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,290.85 : 194,992.23 = 80,880.45 : x
  2. Step 2: Convert to fraction form
    141,290.85/194,992.23 = 80,880.45/x
  3. Step 3: Cross multiply
    141,290.85x = 194,992.23 × 80,880.45
  4. Step 4: Simplify right side
    141,290.85x = 15,771,059,308.90
  5. Step 5: Solve for x
    x = 15,771,059,308.90/141,290.85
  6. Step 6: Final answer
    x = 111,621.24

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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.