Home / 209,823.50-289,469.72-146,198.18

Finding the Fourth Proportional to 209,823.50, 289,469.72 and 146,198.18

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Solution

The fourth proportional to 209,823.50, 289,469.72 and 146,198.18 is: 201,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,823.50 : 289,469.72 = 146,198.18 : x
  2. Step 2: Convert to fraction form
    209,823.50/289,469.72 = 146,198.18/x
  3. Step 3: Cross multiply
    209,823.50x = 289,469.72 × 146,198.18
  4. Step 4: Simplify right side
    209,823.50x = 42,319,946,229.11
  5. Step 5: Solve for x
    x = 42,319,946,229.11/209,823.50
  6. Step 6: Final answer
    x = 201,693.07

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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.