Home / 112,173.37-168,291.85-45,661.23

Finding the Fourth Proportional to 112,173.37, 168,291.85 and 45,661.23

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Solution

The fourth proportional to 112,173.37, 168,291.85 and 45,661.23 is: 68,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,173.37 : 168,291.85 = 45,661.23 : x
  2. Step 2: Convert to fraction form
    112,173.37/168,291.85 = 45,661.23/x
  3. Step 3: Cross multiply
    112,173.37x = 168,291.85 × 45,661.23
  4. Step 4: Simplify right side
    112,173.37x = 7,684,412,869.98
  5. Step 5: Solve for x
    x = 7,684,412,869.98/112,173.37
  6. Step 6: Final answer
    x = 68,504.79

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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.