Home / 203,077.45-304,532.34-76,696.19

Finding the Fourth Proportional to 203,077.45, 304,532.34 and 76,696.19

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Solution

The fourth proportional to 203,077.45, 304,532.34 and 76,696.19 is: 115,012.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,077.45 : 304,532.34 = 76,696.19 : x
  2. Step 2: Convert to fraction form
    203,077.45/304,532.34 = 76,696.19/x
  3. Step 3: Cross multiply
    203,077.45x = 304,532.34 × 76,696.19
  4. Step 4: Simplify right side
    203,077.45x = 23,356,470,209.78
  5. Step 5: Solve for x
    x = 23,356,470,209.78/203,077.45
  6. Step 6: Final answer
    x = 115,012.62

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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.