Home / 143,614.42-198,195.75-79,950.82

Finding the Fourth Proportional to 143,614.42, 198,195.75 and 79,950.82

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Solution

The fourth proportional to 143,614.42, 198,195.75 and 79,950.82 is: 110,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,614.42 : 198,195.75 = 79,950.82 : x
  2. Step 2: Convert to fraction form
    143,614.42/198,195.75 = 79,950.82/x
  3. Step 3: Cross multiply
    143,614.42x = 198,195.75 × 79,950.82
  4. Step 4: Simplify right side
    143,614.42x = 15,845,912,733.02
  5. Step 5: Solve for x
    x = 15,845,912,733.02/143,614.42
  6. Step 6: Final answer
    x = 110,336.50

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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.