Home / 169,450.36-254,132.79-69,638.12

Finding the Fourth Proportional to 169,450.36, 254,132.79 and 69,638.12

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Solution

The fourth proportional to 169,450.36, 254,132.79 and 69,638.12 is: 104,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,450.36 : 254,132.79 = 69,638.12 : x
  2. Step 2: Convert to fraction form
    169,450.36/254,132.79 = 69,638.12/x
  3. Step 3: Cross multiply
    169,450.36x = 254,132.79 × 69,638.12
  4. Step 4: Simplify right side
    169,450.36x = 17,697,329,725.95
  5. Step 5: Solve for x
    x = 17,697,329,725.95/169,450.36
  6. Step 6: Final answer
    x = 104,439.61

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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.