Home / 124,975.76-187,464.11-30,205.79

Finding the Fourth Proportional to 124,975.76, 187,464.11 and 30,205.79

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Solution

The fourth proportional to 124,975.76, 187,464.11 and 30,205.79 is: 45,308.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,975.76 : 187,464.11 = 30,205.79 : x
  2. Step 2: Convert to fraction form
    124,975.76/187,464.11 = 30,205.79/x
  3. Step 3: Cross multiply
    124,975.76x = 187,464.11 × 30,205.79
  4. Step 4: Simplify right side
    124,975.76x = 5,662,500,450.85
  5. Step 5: Solve for x
    x = 5,662,500,450.85/124,975.76
  6. Step 6: Final answer
    x = 45,308.79

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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.