Home / 132,990.82-183,551.07-79,279.27

Finding the Fourth Proportional to 132,990.82, 183,551.07 and 79,279.27

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Solution

The fourth proportional to 132,990.82, 183,551.07 and 79,279.27 is: 109,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,990.82 : 183,551.07 = 79,279.27 : x
  2. Step 2: Convert to fraction form
    132,990.82/183,551.07 = 79,279.27/x
  3. Step 3: Cross multiply
    132,990.82x = 183,551.07 × 79,279.27
  4. Step 4: Simplify right side
    132,990.82x = 14,551,794,837.32
  5. Step 5: Solve for x
    x = 14,551,794,837.32/132,990.82
  6. Step 6: Final answer
    x = 109,419.54

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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.