Home / 201,336.10-301,658.55-131,179.30

Finding the Fourth Proportional to 201,336.10, 301,658.55 and 131,179.30

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Solution

The fourth proportional to 201,336.10, 301,658.55 and 131,179.30 is: 196,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,336.10 : 301,658.55 = 131,179.30 : x
  2. Step 2: Convert to fraction form
    201,336.10/301,658.55 = 131,179.30/x
  3. Step 3: Cross multiply
    201,336.10x = 301,658.55 × 131,179.30
  4. Step 4: Simplify right side
    201,336.10x = 39,571,357,428.02
  5. Step 5: Solve for x
    x = 39,571,357,428.02/201,336.10
  6. Step 6: Final answer
    x = 196,543.78

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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.