Home / 146,554.20-219,824.46-61,129.80

Finding the Fourth Proportional to 146,554.20, 219,824.46 and 61,129.80

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Solution

The fourth proportional to 146,554.20, 219,824.46 and 61,129.80 is: 91,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,554.20 : 219,824.46 = 61,129.80 : x
  2. Step 2: Convert to fraction form
    146,554.20/219,824.46 = 61,129.80/x
  3. Step 3: Cross multiply
    146,554.20x = 219,824.46 × 61,129.80
  4. Step 4: Simplify right side
    146,554.20x = 13,437,825,274.91
  5. Step 5: Solve for x
    x = 13,437,825,274.91/146,554.20
  6. Step 6: Final answer
    x = 91,691.85

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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.