Home / 123,205.26-170,023.03-69,490.11

Finding the Fourth Proportional to 123,205.26, 170,023.03 and 69,490.11

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Solution

The fourth proportional to 123,205.26, 170,023.03 and 69,490.11 is: 95,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,205.26 : 170,023.03 = 69,490.11 : x
  2. Step 2: Convert to fraction form
    123,205.26/170,023.03 = 69,490.11/x
  3. Step 3: Cross multiply
    123,205.26x = 170,023.03 × 69,490.11
  4. Step 4: Simplify right side
    123,205.26x = 11,814,918,883.51
  5. Step 5: Solve for x
    x = 11,814,918,883.51/123,205.26
  6. Step 6: Final answer
    x = 95,896.22

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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.