Home / 133,782.12-200,759.96-57,954.72

Finding the Fourth Proportional to 133,782.12, 200,759.96 and 57,954.72

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Solution

The fourth proportional to 133,782.12, 200,759.96 and 57,954.72 is: 86,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,782.12 : 200,759.96 = 57,954.72 : x
  2. Step 2: Convert to fraction form
    133,782.12/200,759.96 = 57,954.72/x
  3. Step 3: Cross multiply
    133,782.12x = 200,759.96 × 57,954.72
  4. Step 4: Simplify right side
    133,782.12x = 11,634,987,269.01
  5. Step 5: Solve for x
    x = 11,634,987,269.01/133,782.12
  6. Step 6: Final answer
    x = 86,969.67

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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.