Home / 199,002.69-298,503.36-80,673.75

Finding the Fourth Proportional to 199,002.69, 298,503.36 and 80,673.75

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Solution

The fourth proportional to 199,002.69, 298,503.36 and 80,673.75 is: 121,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,002.69 : 298,503.36 = 80,673.75 : x
  2. Step 2: Convert to fraction form
    199,002.69/298,503.36 = 80,673.75/x
  3. Step 3: Cross multiply
    199,002.69x = 298,503.36 × 80,673.75
  4. Step 4: Simplify right side
    199,002.69x = 24,081,385,438.80
  5. Step 5: Solve for x
    x = 24,081,385,438.80/199,002.69
  6. Step 6: Final answer
    x = 121,010.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.