Home / 123,091.26-169,634-89,041.94

Finding the Fourth Proportional to 123,091.26, 169,634 and 89,041.94

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Solution

The fourth proportional to 123,091.26, 169,634 and 89,041.94 is: 122,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,091.26 : 169,634 = 89,041.94 : x
  2. Step 2: Convert to fraction form
    123,091.26/169,634 = 89,041.94/x
  3. Step 3: Cross multiply
    123,091.26x = 169,634 × 89,041.94
  4. Step 4: Simplify right side
    123,091.26x = 15,104,540,449.96
  5. Step 5: Solve for x
    x = 15,104,540,449.96/123,091.26
  6. Step 6: Final answer
    x = 122,710.10

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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.