Home / 135,154.23-202,759.97-40,391.79

Finding the Fourth Proportional to 135,154.23, 202,759.97 and 40,391.79

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Solution

The fourth proportional to 135,154.23, 202,759.97 and 40,391.79 is: 60,596.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,154.23 : 202,759.97 = 40,391.79 : x
  2. Step 2: Convert to fraction form
    135,154.23/202,759.97 = 40,391.79/x
  3. Step 3: Cross multiply
    135,154.23x = 202,759.97 × 40,391.79
  4. Step 4: Simplify right side
    135,154.23x = 8,189,838,128.65
  5. Step 5: Solve for x
    x = 8,189,838,128.65/135,154.23
  6. Step 6: Final answer
    x = 60,596.24

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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.