Home / 209,805.46-314,705.76-125,589.16

Finding the Fourth Proportional to 209,805.46, 314,705.76 and 125,589.16

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Solution

The fourth proportional to 209,805.46, 314,705.76 and 125,589.16 is: 188,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,805.46 : 314,705.76 = 125,589.16 : x
  2. Step 2: Convert to fraction form
    209,805.46/314,705.76 = 125,589.16/x
  3. Step 3: Cross multiply
    209,805.46x = 314,705.76 × 125,589.16
  4. Step 4: Simplify right side
    209,805.46x = 39,523,632,045.56
  5. Step 5: Solve for x
    x = 39,523,632,045.56/209,805.46
  6. Step 6: Final answer
    x = 188,382.29

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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.