Home / 199,912.05-299,565.54-87,529.41

Finding the Fourth Proportional to 199,912.05, 299,565.54 and 87,529.41

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Solution

The fourth proportional to 199,912.05, 299,565.54 and 87,529.41 is: 131,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,912.05 : 299,565.54 = 87,529.41 : x
  2. Step 2: Convert to fraction form
    199,912.05/299,565.54 = 87,529.41/x
  3. Step 3: Cross multiply
    199,912.05x = 299,565.54 × 87,529.41
  4. Step 4: Simplify right side
    199,912.05x = 26,220,794,972.53
  5. Step 5: Solve for x
    x = 26,220,794,972.53/199,912.05
  6. Step 6: Final answer
    x = 131,161.65

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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.