Home / 141,947.13-212,912.30-53,193.21

Finding the Fourth Proportional to 141,947.13, 212,912.30 and 53,193.21

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Solution

The fourth proportional to 141,947.13, 212,912.30 and 53,193.21 is: 79,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,947.13 : 212,912.30 = 53,193.21 : x
  2. Step 2: Convert to fraction form
    141,947.13/212,912.30 = 53,193.21/x
  3. Step 3: Cross multiply
    141,947.13x = 212,912.30 × 53,193.21
  4. Step 4: Simplify right side
    141,947.13x = 11,325,488,419.52
  5. Step 5: Solve for x
    x = 11,325,488,419.52/141,947.13
  6. Step 6: Final answer
    x = 79,786.67

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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.