Home / 131,236.11-196,885.44-42,489.63

Finding the Fourth Proportional to 131,236.11, 196,885.44 and 42,489.63

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Solution

The fourth proportional to 131,236.11, 196,885.44 and 42,489.63 is: 63,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,236.11 : 196,885.44 = 42,489.63 : x
  2. Step 2: Convert to fraction form
    131,236.11/196,885.44 = 42,489.63/x
  3. Step 3: Cross multiply
    131,236.11x = 196,885.44 × 42,489.63
  4. Step 4: Simplify right side
    131,236.11x = 8,365,589,497.99
  5. Step 5: Solve for x
    x = 8,365,589,497.99/131,236.11
  6. Step 6: Final answer
    x = 63,744.57

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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.