Home / 197,376.40-296,181.30-72,804.88

Finding the Fourth Proportional to 197,376.40, 296,181.30 and 72,804.88

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Solution

The fourth proportional to 197,376.40, 296,181.30 and 72,804.88 is: 109,250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,376.40 : 296,181.30 = 72,804.88 : x
  2. Step 2: Convert to fraction form
    197,376.40/296,181.30 = 72,804.88/x
  3. Step 3: Cross multiply
    197,376.40x = 296,181.30 × 72,804.88
  4. Step 4: Simplify right side
    197,376.40x = 21,563,444,004.74
  5. Step 5: Solve for x
    x = 21,563,444,004.74/197,376.40
  6. Step 6: Final answer
    x = 109,250.37

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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.