Home / 123,633.63-170,576.75-69,180.15

Finding the Fourth Proportional to 123,633.63, 170,576.75 and 69,180.15

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Solution

The fourth proportional to 123,633.63, 170,576.75 and 69,180.15 is: 95,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,633.63 : 170,576.75 = 69,180.15 : x
  2. Step 2: Convert to fraction form
    123,633.63/170,576.75 = 69,180.15/x
  3. Step 3: Cross multiply
    123,633.63x = 170,576.75 × 69,180.15
  4. Step 4: Simplify right side
    123,633.63x = 11,800,525,513.35
  5. Step 5: Solve for x
    x = 11,800,525,513.35/123,633.63
  6. Step 6: Final answer
    x = 95,447.53

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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.