Home / 219,648.62-303,113.06-122,851.29

Finding the Fourth Proportional to 219,648.62, 303,113.06 and 122,851.29

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Solution

The fourth proportional to 219,648.62, 303,113.06 and 122,851.29 is: 169,533.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,648.62 : 303,113.06 = 122,851.29 : x
  2. Step 2: Convert to fraction form
    219,648.62/303,113.06 = 122,851.29/x
  3. Step 3: Cross multiply
    219,648.62x = 303,113.06 × 122,851.29
  4. Step 4: Simplify right side
    219,648.62x = 37,237,830,436.85
  5. Step 5: Solve for x
    x = 37,237,830,436.85/219,648.62
  6. Step 6: Final answer
    x = 169,533.64

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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.