Home / 101,000.20-151,499.66-30,879.24

Finding the Fourth Proportional to 101,000.20, 151,499.66 and 30,879.24

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Solution

The fourth proportional to 101,000.20, 151,499.66 and 30,879.24 is: 46,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,000.20 : 151,499.66 = 30,879.24 : x
  2. Step 2: Convert to fraction form
    101,000.20/151,499.66 = 30,879.24/x
  3. Step 3: Cross multiply
    101,000.20x = 151,499.66 × 30,879.24
  4. Step 4: Simplify right side
    101,000.20x = 4,678,194,361.06
  5. Step 5: Solve for x
    x = 4,678,194,361.06/101,000.20
  6. Step 6: Final answer
    x = 46,318.66

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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.