Home / 143,366.50-213,660.73-135,901.54

Finding the Fourth Proportional to 143,366.50, 213,660.73 and 135,901.54

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Solution

The fourth proportional to 143,366.50, 213,660.73 and 135,901.54 is: 202,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,366.50 : 213,660.73 = 135,901.54 : x
  2. Step 2: Convert to fraction form
    143,366.50/213,660.73 = 135,901.54/x
  3. Step 3: Cross multiply
    143,366.50x = 213,660.73 × 135,901.54
  4. Step 4: Simplify right side
    143,366.50x = 29,036,821,565.02
  5. Step 5: Solve for x
    x = 29,036,821,565.02/143,366.50
  6. Step 6: Final answer
    x = 202,535.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.