Home / 178,021.28-266,847.39-111,308.22

Finding the Fourth Proportional to 178,021.28, 266,847.39 and 111,308.22

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Solution

The fourth proportional to 178,021.28, 266,847.39 and 111,308.22 is: 166,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,021.28 : 266,847.39 = 111,308.22 : x
  2. Step 2: Convert to fraction form
    178,021.28/266,847.39 = 111,308.22/x
  3. Step 3: Cross multiply
    178,021.28x = 266,847.39 × 111,308.22
  4. Step 4: Simplify right side
    178,021.28x = 29,702,307,992.55
  5. Step 5: Solve for x
    x = 29,702,307,992.55/178,021.28
  6. Step 6: Final answer
    x = 166,846.95

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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.