Home / 111,000.36-166,502.10-36,120.90

Finding the Fourth Proportional to 111,000.36, 166,502.10 and 36,120.90

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Solution

The fourth proportional to 111,000.36, 166,502.10 and 36,120.90 is: 54,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,000.36 : 166,502.10 = 36,120.90 : x
  2. Step 2: Convert to fraction form
    111,000.36/166,502.10 = 36,120.90/x
  3. Step 3: Cross multiply
    111,000.36x = 166,502.10 × 36,120.90
  4. Step 4: Simplify right side
    111,000.36x = 6,014,205,703.89
  5. Step 5: Solve for x
    x = 6,014,205,703.89/111,000.36
  6. Step 6: Final answer
    x = 54,181.86

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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.