Home / 131,173.72-196,771.40-42,441.48

Finding the Fourth Proportional to 131,173.72, 196,771.40 and 42,441.48

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Solution

The fourth proportional to 131,173.72, 196,771.40 and 42,441.48 is: 63,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,173.72 : 196,771.40 = 42,441.48 : x
  2. Step 2: Convert to fraction form
    131,173.72/196,771.40 = 42,441.48/x
  3. Step 3: Cross multiply
    131,173.72x = 196,771.40 × 42,441.48
  4. Step 4: Simplify right side
    131,173.72x = 8,351,269,437.67
  5. Step 5: Solve for x
    x = 8,351,269,437.67/131,173.72
  6. Step 6: Final answer
    x = 63,665.72

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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.