Home / 154,801.33-213,593.36-101,165.15

Finding the Fourth Proportional to 154,801.33, 213,593.36 and 101,165.15

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Solution

The fourth proportional to 154,801.33, 213,593.36 and 101,165.15 is: 139,586.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,801.33 : 213,593.36 = 101,165.15 : x
  2. Step 2: Convert to fraction form
    154,801.33/213,593.36 = 101,165.15/x
  3. Step 3: Cross multiply
    154,801.33x = 213,593.36 × 101,165.15
  4. Step 4: Simplify right side
    154,801.33x = 21,608,204,331.56
  5. Step 5: Solve for x
    x = 21,608,204,331.56/154,801.33
  6. Step 6: Final answer
    x = 139,586.69

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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.