Home / 197,619.09-296,246.99-71,228.40

Finding the Fourth Proportional to 197,619.09, 296,246.99 and 71,228.40

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Solution

The fourth proportional to 197,619.09, 296,246.99 and 71,228.40 is: 106,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,619.09 : 296,246.99 = 71,228.40 : x
  2. Step 2: Convert to fraction form
    197,619.09/296,246.99 = 71,228.40/x
  3. Step 3: Cross multiply
    197,619.09x = 296,246.99 × 71,228.40
  4. Step 4: Simplify right side
    197,619.09x = 21,101,199,102.52
  5. Step 5: Solve for x
    x = 21,101,199,102.52/197,619.09
  6. Step 6: Final answer
    x = 106,777.13

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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.