Home / 123,628.10-170,597.64-69,173.04

Finding the Fourth Proportional to 123,628.10, 170,597.64 and 69,173.04

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Solution

The fourth proportional to 123,628.10, 170,597.64 and 69,173.04 is: 95,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,628.10 : 170,597.64 = 69,173.04 : x
  2. Step 2: Convert to fraction form
    123,628.10/170,597.64 = 69,173.04/x
  3. Step 3: Cross multiply
    123,628.10x = 170,597.64 × 69,173.04
  4. Step 4: Simplify right side
    123,628.10x = 11,800,757,315.15
  5. Step 5: Solve for x
    x = 11,800,757,315.15/123,628.10
  6. Step 6: Final answer
    x = 95,453.68

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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.