Home / 132,922.80-183,494.89-81,944.64

Finding the Fourth Proportional to 132,922.80, 183,494.89 and 81,944.64

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Solution

The fourth proportional to 132,922.80, 183,494.89 and 81,944.64 is: 113,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,922.80 : 183,494.89 = 81,944.64 : x
  2. Step 2: Convert to fraction form
    132,922.80/183,494.89 = 81,944.64/x
  3. Step 3: Cross multiply
    132,922.80x = 183,494.89 × 81,944.64
  4. Step 4: Simplify right side
    132,922.80x = 15,036,422,702.89
  5. Step 5: Solve for x
    x = 15,036,422,702.89/132,922.80
  6. Step 6: Final answer
    x = 113,121.47

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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.