Home / 210,174.48-315,336.24-131,197.32

Finding the Fourth Proportional to 210,174.48, 315,336.24 and 131,197.32

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Solution

The fourth proportional to 210,174.48, 315,336.24 and 131,197.32 is: 196,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,174.48 : 315,336.24 = 131,197.32 : x
  2. Step 2: Convert to fraction form
    210,174.48/315,336.24 = 131,197.32/x
  3. Step 3: Cross multiply
    210,174.48x = 315,336.24 × 131,197.32
  4. Step 4: Simplify right side
    210,174.48x = 41,371,269,586.88
  5. Step 5: Solve for x
    x = 41,371,269,586.88/210,174.48
  6. Step 6: Final answer
    x = 196,842.50

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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.