Home / 201,314.29-301,750-82,921.05

Finding the Fourth Proportional to 201,314.29, 301,750 and 82,921.05

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Solution

The fourth proportional to 201,314.29, 301,750 and 82,921.05 is: 124,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,314.29 : 301,750 = 82,921.05 : x
  2. Step 2: Convert to fraction form
    201,314.29/301,750 = 82,921.05/x
  3. Step 3: Cross multiply
    201,314.29x = 301,750 × 82,921.05
  4. Step 4: Simplify right side
    201,314.29x = 25,021,425,328.75
  5. Step 5: Solve for x
    x = 25,021,425,328.75/201,314.29
  6. Step 6: Final answer
    x = 124,290.36

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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.