Home / 143,947.21-198,544.31-124,792.73

Finding the Fourth Proportional to 143,947.21, 198,544.31 and 124,792.73

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Solution

The fourth proportional to 143,947.21, 198,544.31 and 124,792.73 is: 172,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,947.21 : 198,544.31 = 124,792.73 : x
  2. Step 2: Convert to fraction form
    143,947.21/198,544.31 = 124,792.73/x
  3. Step 3: Cross multiply
    143,947.21x = 198,544.31 × 124,792.73
  4. Step 4: Simplify right side
    143,947.21x = 24,776,886,343.26
  5. Step 5: Solve for x
    x = 24,776,886,343.26/143,947.21
  6. Step 6: Final answer
    x = 172,124.81

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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.