Home / 122,645.09-183,808.49-55,127.24

Finding the Fourth Proportional to 122,645.09, 183,808.49 and 55,127.24

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Solution

The fourth proportional to 122,645.09, 183,808.49 and 55,127.24 is: 82,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,645.09 : 183,808.49 = 55,127.24 : x
  2. Step 2: Convert to fraction form
    122,645.09/183,808.49 = 55,127.24/x
  3. Step 3: Cross multiply
    122,645.09x = 183,808.49 × 55,127.24
  4. Step 4: Simplify right side
    122,645.09x = 10,132,854,742.27
  5. Step 5: Solve for x
    x = 10,132,854,742.27/122,645.09
  6. Step 6: Final answer
    x = 82,619.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.