Home / 154,130.82-212,615.37-125,481.30

Finding the Fourth Proportional to 154,130.82, 212,615.37 and 125,481.30

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Solution

The fourth proportional to 154,130.82, 212,615.37 and 125,481.30 is: 173,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,130.82 : 212,615.37 = 125,481.30 : x
  2. Step 2: Convert to fraction form
    154,130.82/212,615.37 = 125,481.30/x
  3. Step 3: Cross multiply
    154,130.82x = 212,615.37 × 125,481.30
  4. Step 4: Simplify right side
    154,130.82x = 26,679,253,027.58
  5. Step 5: Solve for x
    x = 26,679,253,027.58/154,130.82
  6. Step 6: Final answer
    x = 173,094.86

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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.