Home / 209,542.14-289,297.35-144,242.46

Finding the Fourth Proportional to 209,542.14, 289,297.35 and 144,242.46

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Solution

The fourth proportional to 209,542.14, 289,297.35 and 144,242.46 is: 199,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,542.14 : 289,297.35 = 144,242.46 : x
  2. Step 2: Convert to fraction form
    209,542.14/289,297.35 = 144,242.46/x
  3. Step 3: Cross multiply
    209,542.14x = 289,297.35 × 144,242.46
  4. Step 4: Simplify right side
    209,542.14x = 41,728,961,435.48
  5. Step 5: Solve for x
    x = 41,728,961,435.48/209,542.14
  6. Step 6: Final answer
    x = 199,143.53

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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.