Home / 261,639.09-361,065.73-146,942.56

Finding the Fourth Proportional to 261,639.09, 361,065.73 and 146,942.56

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Solution

The fourth proportional to 261,639.09, 361,065.73 and 146,942.56 is: 202,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,639.09 : 361,065.73 = 146,942.56 : x
  2. Step 2: Convert to fraction form
    261,639.09/361,065.73 = 146,942.56/x
  3. Step 3: Cross multiply
    261,639.09x = 361,065.73 × 146,942.56
  4. Step 4: Simplify right side
    261,639.09x = 53,055,920,609.69
  5. Step 5: Solve for x
    x = 53,055,920,609.69/261,639.09
  6. Step 6: Final answer
    x = 202,782.85

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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.