Home / 112,127.55-168,180.39-45,571.65

Finding the Fourth Proportional to 112,127.55, 168,180.39 and 45,571.65

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Solution

The fourth proportional to 112,127.55, 168,180.39 and 45,571.65 is: 68,353.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,127.55 : 168,180.39 = 45,571.65 : x
  2. Step 2: Convert to fraction form
    112,127.55/168,180.39 = 45,571.65/x
  3. Step 3: Cross multiply
    112,127.55x = 168,180.39 × 45,571.65
  4. Step 4: Simplify right side
    112,127.55x = 7,664,257,869.94
  5. Step 5: Solve for x
    x = 7,664,257,869.94/112,127.55
  6. Step 6: Final answer
    x = 68,353.03

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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.