Home / 217,420.20-325,968.30-112,314.60

Finding the Fourth Proportional to 217,420.20, 325,968.30 and 112,314.60

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Solution

The fourth proportional to 217,420.20, 325,968.30 and 112,314.60 is: 168,388.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,420.20 : 325,968.30 = 112,314.60 : x
  2. Step 2: Convert to fraction form
    217,420.20/325,968.30 = 112,314.60/x
  3. Step 3: Cross multiply
    217,420.20x = 325,968.30 × 112,314.60
  4. Step 4: Simplify right side
    217,420.20x = 36,610,999,227.18
  5. Step 5: Solve for x
    x = 36,610,999,227.18/217,420.20
  6. Step 6: Final answer
    x = 168,388.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.