Home / 140,736.69-194,212.85-80,306.24

Finding the Fourth Proportional to 140,736.69, 194,212.85 and 80,306.24

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Solution

The fourth proportional to 140,736.69, 194,212.85 and 80,306.24 is: 110,820.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,736.69 : 194,212.85 = 80,306.24 : x
  2. Step 2: Convert to fraction form
    140,736.69/194,212.85 = 80,306.24/x
  3. Step 3: Cross multiply
    140,736.69x = 194,212.85 × 80,306.24
  4. Step 4: Simplify right side
    140,736.69x = 15,596,502,370.59
  5. Step 5: Solve for x
    x = 15,596,502,370.59/140,736.69
  6. Step 6: Final answer
    x = 110,820.44

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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.