Home / 87,571.44-120,806.64-84,176.46

Finding the Fourth Proportional to 87,571.44, 120,806.64 and 84,176.46

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Solution

The fourth proportional to 87,571.44, 120,806.64 and 84,176.46 is: 116,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.44 : 120,806.64 = 84,176.46 : x
  2. Step 2: Convert to fraction form
    87,571.44/120,806.64 = 84,176.46/x
  3. Step 3: Cross multiply
    87,571.44x = 120,806.64 × 84,176.46
  4. Step 4: Simplify right side
    87,571.44x = 10,169,075,299.69
  5. Step 5: Solve for x
    x = 10,169,075,299.69/87,571.44
  6. Step 6: Final answer
    x = 116,123.19

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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.