Home / 231,213.08-345,947.54-136,494.79

Finding the Fourth Proportional to 231,213.08, 345,947.54 and 136,494.79

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Solution

The fourth proportional to 231,213.08, 345,947.54 and 136,494.79 is: 204,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,213.08 : 345,947.54 = 136,494.79 : x
  2. Step 2: Convert to fraction form
    231,213.08/345,947.54 = 136,494.79/x
  3. Step 3: Cross multiply
    231,213.08x = 345,947.54 × 136,494.79
  4. Step 4: Simplify right side
    231,213.08x = 47,220,036,043.76
  5. Step 5: Solve for x
    x = 47,220,036,043.76/231,213.08
  6. Step 6: Final answer
    x = 204,227.35

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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.