Home / 197,941.10-296,976.81-131,642.06

Finding the Fourth Proportional to 197,941.10, 296,976.81 and 131,642.06

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Solution

The fourth proportional to 197,941.10, 296,976.81 and 131,642.06 is: 197,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,941.10 : 296,976.81 = 131,642.06 : x
  2. Step 2: Convert to fraction form
    197,941.10/296,976.81 = 131,642.06/x
  3. Step 3: Cross multiply
    197,941.10x = 296,976.81 × 131,642.06
  4. Step 4: Simplify right side
    197,941.10x = 39,094,639,040.63
  5. Step 5: Solve for x
    x = 39,094,639,040.63/197,941.10
  6. Step 6: Final answer
    x = 197,506.43

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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.