Home / 200,975.37-301,020.18-112,008.21

Finding the Fourth Proportional to 200,975.37, 301,020.18 and 112,008.21

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Solution

The fourth proportional to 200,975.37, 301,020.18 and 112,008.21 is: 167,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,975.37 : 301,020.18 = 112,008.21 : x
  2. Step 2: Convert to fraction form
    200,975.37/301,020.18 = 112,008.21/x
  3. Step 3: Cross multiply
    200,975.37x = 301,020.18 × 112,008.21
  4. Step 4: Simplify right side
    200,975.37x = 33,716,731,535.68
  5. Step 5: Solve for x
    x = 33,716,731,535.68/200,975.37
  6. Step 6: Final answer
    x = 167,765.49

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1.5x scale

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.