Home / 217,242.26-299,738.03-131,133.18

Finding the Fourth Proportional to 217,242.26, 299,738.03 and 131,133.18

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Solution

The fourth proportional to 217,242.26, 299,738.03 and 131,133.18 is: 180,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,242.26 : 299,738.03 = 131,133.18 : x
  2. Step 2: Convert to fraction form
    217,242.26/299,738.03 = 131,133.18/x
  3. Step 3: Cross multiply
    217,242.26x = 299,738.03 × 131,133.18
  4. Step 4: Simplify right side
    217,242.26x = 39,305,600,385.17
  5. Step 5: Solve for x
    x = 39,305,600,385.17/217,242.26
  6. Step 6: Final answer
    x = 180,929.81

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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.