Home / 131,628.94-197,463.96-42,861.56

Finding the Fourth Proportional to 131,628.94, 197,463.96 and 42,861.56

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Solution

The fourth proportional to 131,628.94, 197,463.96 and 42,861.56 is: 64,299.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,628.94 : 197,463.96 = 42,861.56 : x
  2. Step 2: Convert to fraction form
    131,628.94/197,463.96 = 42,861.56/x
  3. Step 3: Cross multiply
    131,628.94x = 197,463.96 × 42,861.56
  4. Step 4: Simplify right side
    131,628.94x = 8,463,612,382.06
  5. Step 5: Solve for x
    x = 8,463,612,382.06/131,628.94
  6. Step 6: Final answer
    x = 64,299.03

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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.