Home / 201,270.10-301,559.55-131,113.30

Finding the Fourth Proportional to 201,270.10, 301,559.55 and 131,113.30

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Solution

The fourth proportional to 201,270.10, 301,559.55 and 131,113.30 is: 196,444.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,270.10 : 301,559.55 = 131,113.30 : x
  2. Step 2: Convert to fraction form
    201,270.10/301,559.55 = 131,113.30/x
  3. Step 3: Cross multiply
    201,270.10x = 301,559.55 × 131,113.30
  4. Step 4: Simplify right side
    201,270.10x = 39,538,467,747.02
  5. Step 5: Solve for x
    x = 39,538,467,747.02/201,270.10
  6. Step 6: Final answer
    x = 196,444.82

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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.