Home / 203,460.06-280,771.98-112,816.20

Finding the Fourth Proportional to 203,460.06, 280,771.98 and 112,816.20

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Solution

The fourth proportional to 203,460.06, 280,771.98 and 112,816.20 is: 155,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,460.06 : 280,771.98 = 112,816.20 : x
  2. Step 2: Convert to fraction form
    203,460.06/280,771.98 = 112,816.20/x
  3. Step 3: Cross multiply
    203,460.06x = 280,771.98 × 112,816.20
  4. Step 4: Simplify right side
    203,460.06x = 31,675,627,850.08
  5. Step 5: Solve for x
    x = 31,675,627,850.08/203,460.06
  6. Step 6: Final answer
    x = 155,684.75

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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.