Home / 209,817.99-289,462.14-146,192.69

Finding the Fourth Proportional to 209,817.99, 289,462.14 and 146,192.69

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Solution

The fourth proportional to 209,817.99, 289,462.14 and 146,192.69 is: 201,685.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,817.99 : 289,462.14 = 146,192.69 : x
  2. Step 2: Convert to fraction form
    209,817.99/289,462.14 = 146,192.69/x
  3. Step 3: Cross multiply
    209,817.99x = 289,462.14 × 146,192.69
  4. Step 4: Simplify right side
    209,817.99x = 42,317,247,452.45
  5. Step 5: Solve for x
    x = 42,317,247,452.45/209,817.99
  6. Step 6: Final answer
    x = 201,685.51

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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.