Home / 143,096.96-197,382.48-112,872.44

Finding the Fourth Proportional to 143,096.96, 197,382.48 and 112,872.44

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Solution

The fourth proportional to 143,096.96, 197,382.48 and 112,872.44 is: 155,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,096.96 : 197,382.48 = 112,872.44 : x
  2. Step 2: Convert to fraction form
    143,096.96/197,382.48 = 112,872.44/x
  3. Step 3: Cross multiply
    143,096.96x = 197,382.48 × 112,872.44
  4. Step 4: Simplify right side
    143,096.96x = 22,279,042,130.85
  5. Step 5: Solve for x
    x = 22,279,042,130.85/143,096.96
  6. Step 6: Final answer
    x = 155,691.93

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1.5x scale

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.