Home / 136,208.72-204,504.28-69,696.56

Finding the Fourth Proportional to 136,208.72, 204,504.28 and 69,696.56

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Solution

The fourth proportional to 136,208.72, 204,504.28 and 69,696.56 is: 104,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,208.72 : 204,504.28 = 69,696.56 : x
  2. Step 2: Convert to fraction form
    136,208.72/204,504.28 = 69,696.56/x
  3. Step 3: Cross multiply
    136,208.72x = 204,504.28 × 69,696.56
  4. Step 4: Simplify right side
    136,208.72x = 14,253,244,821.28
  5. Step 5: Solve for x
    x = 14,253,244,821.28/136,208.72
  6. Step 6: Final answer
    x = 104,642.68

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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.