Home / 203,112.73-280,292.15-112,466.75

Finding the Fourth Proportional to 203,112.73, 280,292.15 and 112,466.75

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Solution

The fourth proportional to 203,112.73, 280,292.15 and 112,466.75 is: 155,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,112.73 : 280,292.15 = 112,466.75 : x
  2. Step 2: Convert to fraction form
    203,112.73/280,292.15 = 112,466.75/x
  3. Step 3: Cross multiply
    203,112.73x = 280,292.15 × 112,466.75
  4. Step 4: Simplify right side
    203,112.73x = 31,523,547,161.01
  5. Step 5: Solve for x
    x = 31,523,547,161.01/203,112.73
  6. Step 6: Final answer
    x = 155,202.22

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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.