Home / 219,121.12-302,396.16-123,627.34

Finding the Fourth Proportional to 219,121.12, 302,396.16 and 123,627.34

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Solution

The fourth proportional to 219,121.12, 302,396.16 and 123,627.34 is: 170,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,121.12 : 302,396.16 = 123,627.34 : x
  2. Step 2: Convert to fraction form
    219,121.12/302,396.16 = 123,627.34/x
  3. Step 3: Cross multiply
    219,121.12x = 302,396.16 × 123,627.34
  4. Step 4: Simplify right side
    219,121.12x = 37,384,432,887.01
  5. Step 5: Solve for x
    x = 37,384,432,887.01/219,121.12
  6. Step 6: Final answer
    x = 170,610.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.