Home / 143,682.14-198,273.48-80,008.58

Finding the Fourth Proportional to 143,682.14, 198,273.48 and 80,008.58

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Solution

The fourth proportional to 143,682.14, 198,273.48 and 80,008.58 is: 110,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,682.14 : 198,273.48 = 80,008.58 : x
  2. Step 2: Convert to fraction form
    143,682.14/198,273.48 = 80,008.58/x
  3. Step 3: Cross multiply
    143,682.14x = 198,273.48 × 80,008.58
  4. Step 4: Simplify right side
    143,682.14x = 15,863,579,586.46
  5. Step 5: Solve for x
    x = 15,863,579,586.46/143,682.14
  6. Step 6: Final answer
    x = 110,407.46

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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.