Home / 209,743.32-314,440.82-83,305.56

Finding the Fourth Proportional to 209,743.32, 314,440.82 and 83,305.56

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Solution

The fourth proportional to 209,743.32, 314,440.82 and 83,305.56 is: 124,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,743.32 : 314,440.82 = 83,305.56 : x
  2. Step 2: Convert to fraction form
    209,743.32/314,440.82 = 83,305.56/x
  3. Step 3: Cross multiply
    209,743.32x = 314,440.82 × 83,305.56
  4. Step 4: Simplify right side
    209,743.32x = 26,194,668,596.96
  5. Step 5: Solve for x
    x = 26,194,668,596.96/209,743.32
  6. Step 6: Final answer
    x = 124,889.17

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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.