Home / 235,075.25-324,542.29-143,229.18

Finding the Fourth Proportional to 235,075.25, 324,542.29 and 143,229.18

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Solution

The fourth proportional to 235,075.25, 324,542.29 and 143,229.18 is: 197,740.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,075.25 : 324,542.29 = 143,229.18 : x
  2. Step 2: Convert to fraction form
    235,075.25/324,542.29 = 143,229.18/x
  3. Step 3: Cross multiply
    235,075.25x = 324,542.29 × 143,229.18
  4. Step 4: Simplify right side
    235,075.25x = 46,483,926,072.02
  5. Step 5: Solve for x
    x = 46,483,926,072.02/235,075.25
  6. Step 6: Final answer
    x = 197,740.62

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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.