Home / 154,777.22-213,410.26-143,299.62

Finding the Fourth Proportional to 154,777.22, 213,410.26 and 143,299.62

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Solution

The fourth proportional to 154,777.22, 213,410.26 and 143,299.62 is: 197,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,777.22 : 213,410.26 = 143,299.62 : x
  2. Step 2: Convert to fraction form
    154,777.22/213,410.26 = 143,299.62/x
  3. Step 3: Cross multiply
    154,777.22x = 213,410.26 × 143,299.62
  4. Step 4: Simplify right side
    154,777.22x = 30,581,609,162.10
  5. Step 5: Solve for x
    x = 30,581,609,162.10/154,777.22
  6. Step 6: Final answer
    x = 197,584.69

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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.