Home / 132,126.87-198,183.23-46,731.81

Finding the Fourth Proportional to 132,126.87, 198,183.23 and 46,731.81

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Solution

The fourth proportional to 132,126.87, 198,183.23 and 46,731.81 is: 70,095.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,126.87 : 198,183.23 = 46,731.81 : x
  2. Step 2: Convert to fraction form
    132,126.87/198,183.23 = 46,731.81/x
  3. Step 3: Cross multiply
    132,126.87x = 198,183.23 × 46,731.81
  4. Step 4: Simplify right side
    132,126.87x = 9,261,460,815.89
  5. Step 5: Solve for x
    x = 9,261,460,815.89/132,126.87
  6. Step 6: Final answer
    x = 70,095.21

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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.