Home / 146,309.88-219,419.46-52,803.48

Finding the Fourth Proportional to 146,309.88, 219,419.46 and 52,803.48

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Solution

The fourth proportional to 146,309.88, 219,419.46 and 52,803.48 is: 79,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,309.88 : 219,419.46 = 52,803.48 : x
  2. Step 2: Convert to fraction form
    146,309.88/219,419.46 = 52,803.48/x
  3. Step 3: Cross multiply
    146,309.88x = 219,419.46 × 52,803.48
  4. Step 4: Simplify right side
    146,309.88x = 11,586,111,067.72
  5. Step 5: Solve for x
    x = 11,586,111,067.72/146,309.88
  6. Step 6: Final answer
    x = 79,188.85

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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.