Home / 131,313.92-181,242.24-80,337.92

Finding the Fourth Proportional to 131,313.92, 181,242.24 and 80,337.92

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Solution

The fourth proportional to 131,313.92, 181,242.24 and 80,337.92 is: 110,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,313.92 : 181,242.24 = 80,337.92 : x
  2. Step 2: Convert to fraction form
    131,313.92/181,242.24 = 80,337.92/x
  3. Step 3: Cross multiply
    131,313.92x = 181,242.24 × 80,337.92
  4. Step 4: Simplify right side
    131,313.92x = 14,560,624,577.74
  5. Step 5: Solve for x
    x = 14,560,624,577.74/131,313.92
  6. Step 6: Final answer
    x = 110,884.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.