Home / 209,706.93-314,558.87-125,490.42

Finding the Fourth Proportional to 209,706.93, 314,558.87 and 125,490.42

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Solution

The fourth proportional to 209,706.93, 314,558.87 and 125,490.42 is: 188,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,706.93 : 314,558.87 = 125,490.42 : x
  2. Step 2: Convert to fraction form
    209,706.93/314,558.87 = 125,490.42/x
  3. Step 3: Cross multiply
    209,706.93x = 314,558.87 × 125,490.42
  4. Step 4: Simplify right side
    209,706.93x = 39,474,124,083.57
  5. Step 5: Solve for x
    x = 39,474,124,083.57/209,706.93
  6. Step 6: Final answer
    x = 188,234.71

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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.