Home / 223,974.30-308,975.67-143,337.18

Finding the Fourth Proportional to 223,974.30, 308,975.67 and 143,337.18

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Solution

The fourth proportional to 223,974.30, 308,975.67 and 143,337.18 is: 197,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,974.30 : 308,975.67 = 143,337.18 : x
  2. Step 2: Convert to fraction form
    223,974.30/308,975.67 = 143,337.18/x
  3. Step 3: Cross multiply
    223,974.30x = 308,975.67 × 143,337.18
  4. Step 4: Simplify right side
    223,974.30x = 44,287,701,226.41
  5. Step 5: Solve for x
    x = 44,287,701,226.41/223,974.30
  6. Step 6: Final answer
    x = 197,735.64

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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.