Home / 213,626.60-320,629.98-113,869.16

Finding the Fourth Proportional to 213,626.60, 320,629.98 and 113,869.16

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Solution

The fourth proportional to 213,626.60, 320,629.98 and 113,869.16 is: 170,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,626.60 : 320,629.98 = 113,869.16 : x
  2. Step 2: Convert to fraction form
    213,626.60/320,629.98 = 113,869.16/x
  3. Step 3: Cross multiply
    213,626.60x = 320,629.98 × 113,869.16
  4. Step 4: Simplify right side
    213,626.60x = 36,509,866,493.42
  5. Step 5: Solve for x
    x = 36,509,866,493.42/213,626.60
  6. Step 6: Final answer
    x = 170,905.06

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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.