Home / 100,538.24-150,832.74-47,220.38

Finding the Fourth Proportional to 100,538.24, 150,832.74 and 47,220.38

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Solution

The fourth proportional to 100,538.24, 150,832.74 and 47,220.38 is: 70,842.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,538.24 : 150,832.74 = 47,220.38 : x
  2. Step 2: Convert to fraction form
    100,538.24/150,832.74 = 47,220.38/x
  3. Step 3: Cross multiply
    100,538.24x = 150,832.74 × 47,220.38
  4. Step 4: Simplify right side
    100,538.24x = 7,122,379,299.24
  5. Step 5: Solve for x
    x = 7,122,379,299.24/100,538.24
  6. Step 6: Final answer
    x = 70,842.49

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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.