Home / 197,064.74-271,963.06-112,181.78

Finding the Fourth Proportional to 197,064.74, 271,963.06 and 112,181.78

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Solution

The fourth proportional to 197,064.74, 271,963.06 and 112,181.78 is: 154,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,064.74 : 271,963.06 = 112,181.78 : x
  2. Step 2: Convert to fraction form
    197,064.74/271,963.06 = 112,181.78/x
  3. Step 3: Cross multiply
    197,064.74x = 271,963.06 × 112,181.78
  4. Step 4: Simplify right side
    197,064.74x = 30,509,300,165.05
  5. Step 5: Solve for x
    x = 30,509,300,165.05/197,064.74
  6. Step 6: Final answer
    x = 154,818.67

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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.