Home / 170,933.68-256,322.56-71,034.36

Finding the Fourth Proportional to 170,933.68, 256,322.56 and 71,034.36

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Solution

The fourth proportional to 170,933.68, 256,322.56 and 71,034.36 is: 106,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,933.68 : 256,322.56 = 71,034.36 : x
  2. Step 2: Convert to fraction form
    170,933.68/256,322.56 = 71,034.36/x
  3. Step 3: Cross multiply
    170,933.68x = 256,322.56 × 71,034.36
  4. Step 4: Simplify right side
    170,933.68x = 18,207,709,003.16
  5. Step 5: Solve for x
    x = 18,207,709,003.16/170,933.68
  6. Step 6: Final answer
    x = 106,519.14

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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.