Home / 203,342.04-280,544.76-122,738.94

Finding the Fourth Proportional to 203,342.04, 280,544.76 and 122,738.94

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Solution

The fourth proportional to 203,342.04, 280,544.76 and 122,738.94 is: 169,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,342.04 : 280,544.76 = 122,738.94 : x
  2. Step 2: Convert to fraction form
    203,342.04/280,544.76 = 122,738.94/x
  3. Step 3: Cross multiply
    203,342.04x = 280,544.76 × 122,738.94
  4. Step 4: Simplify right side
    203,342.04x = 34,433,766,464.95
  5. Step 5: Solve for x
    x = 34,433,766,464.95/203,342.04
  6. Step 6: Final answer
    x = 169,339.14

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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.