Home / 203,161.44-280,363.52-112,515.36

Finding the Fourth Proportional to 203,161.44, 280,363.52 and 112,515.36

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Solution

The fourth proportional to 203,161.44, 280,363.52 and 112,515.36 is: 155,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,161.44 : 280,363.52 = 112,515.36 : x
  2. Step 2: Convert to fraction form
    203,161.44/280,363.52 = 112,515.36/x
  3. Step 3: Cross multiply
    203,161.44x = 280,363.52 × 112,515.36
  4. Step 4: Simplify right side
    203,161.44x = 31,545,202,383.67
  5. Step 5: Solve for x
    x = 31,545,202,383.67/203,161.44
  6. Step 6: Final answer
    x = 155,271.60

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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.