Home / 123,561.24-170,512.66-69,844.37

Finding the Fourth Proportional to 123,561.24, 170,512.66 and 69,844.37

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Solution

The fourth proportional to 123,561.24, 170,512.66 and 69,844.37 is: 96,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,561.24 : 170,512.66 = 69,844.37 : x
  2. Step 2: Convert to fraction form
    123,561.24/170,512.66 = 69,844.37/x
  3. Step 3: Cross multiply
    123,561.24x = 170,512.66 × 69,844.37
  4. Step 4: Simplify right side
    123,561.24x = 11,909,348,112.94
  5. Step 5: Solve for x
    x = 11,909,348,112.94/123,561.24
  6. Step 6: Final answer
    x = 96,384.18

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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.