Home / 230,074.41-317,453.88-145,142.25

Finding the Fourth Proportional to 230,074.41, 317,453.88 and 145,142.25

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Solution

The fourth proportional to 230,074.41, 317,453.88 and 145,142.25 is: 200,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,074.41 : 317,453.88 = 145,142.25 : x
  2. Step 2: Convert to fraction form
    230,074.41/317,453.88 = 145,142.25/x
  3. Step 3: Cross multiply
    230,074.41x = 317,453.88 × 145,142.25
  4. Step 4: Simplify right side
    230,074.41x = 46,075,970,414.43
  5. Step 5: Solve for x
    x = 46,075,970,414.43/230,074.41
  6. Step 6: Final answer
    x = 200,265.52

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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.