Home / 148,185.32-204,453.96-87,729.44

Finding the Fourth Proportional to 148,185.32, 204,453.96 and 87,729.44

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Solution

The fourth proportional to 148,185.32, 204,453.96 and 87,729.44 is: 121,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,185.32 : 204,453.96 = 87,729.44 : x
  2. Step 2: Convert to fraction form
    148,185.32/204,453.96 = 87,729.44/x
  3. Step 3: Cross multiply
    148,185.32x = 204,453.96 × 87,729.44
  4. Step 4: Simplify right side
    148,185.32x = 17,936,631,416.58
  5. Step 5: Solve for x
    x = 17,936,631,416.58/148,185.32
  6. Step 6: Final answer
    x = 121,041.89

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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.