Home / 224,181.75-309,364.62-122,209.20

Finding the Fourth Proportional to 224,181.75, 309,364.62 and 122,209.20

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Solution

The fourth proportional to 224,181.75, 309,364.62 and 122,209.20 is: 168,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,181.75 : 309,364.62 = 122,209.20 : x
  2. Step 2: Convert to fraction form
    224,181.75/309,364.62 = 122,209.20/x
  3. Step 3: Cross multiply
    224,181.75x = 309,364.62 × 122,209.20
  4. Step 4: Simplify right side
    224,181.75x = 37,807,202,718.50
  5. Step 5: Solve for x
    x = 37,807,202,718.50/224,181.75
  6. Step 6: Final answer
    x = 168,645.32

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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.