Home / 143,947.30-198,544.44-124,792.83

Finding the Fourth Proportional to 143,947.30, 198,544.44 and 124,792.83

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Solution

The fourth proportional to 143,947.30, 198,544.44 and 124,792.83 is: 172,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,947.30 : 198,544.44 = 124,792.83 : x
  2. Step 2: Convert to fraction form
    143,947.30/198,544.44 = 124,792.83/x
  3. Step 3: Cross multiply
    143,947.30x = 198,544.44 × 124,792.83
  4. Step 4: Simplify right side
    143,947.30x = 24,776,921,740.02
  5. Step 5: Solve for x
    x = 24,776,921,740.02/143,947.30
  6. Step 6: Final answer
    x = 172,124.95

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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.