Home / 201,918.32-302,819.14-68,795.63

Finding the Fourth Proportional to 201,918.32, 302,819.14 and 68,795.63

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Solution

The fourth proportional to 201,918.32, 302,819.14 and 68,795.63 is: 103,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,918.32 : 302,819.14 = 68,795.63 : x
  2. Step 2: Convert to fraction form
    201,918.32/302,819.14 = 68,795.63/x
  3. Step 3: Cross multiply
    201,918.32x = 302,819.14 × 68,795.63
  4. Step 4: Simplify right side
    201,918.32x = 20,832,633,219.83
  5. Step 5: Solve for x
    x = 20,832,633,219.83/201,918.32
  6. Step 6: Final answer
    x = 103,173.57

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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.