Home / 146,789.64-202,570.74-79,721.64

Finding the Fourth Proportional to 146,789.64, 202,570.74 and 79,721.64

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Solution

The fourth proportional to 146,789.64, 202,570.74 and 79,721.64 is: 110,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,789.64 : 202,570.74 = 79,721.64 : x
  2. Step 2: Convert to fraction form
    146,789.64/202,570.74 = 79,721.64/x
  3. Step 3: Cross multiply
    146,789.64x = 202,570.74 × 79,721.64
  4. Step 4: Simplify right side
    146,789.64x = 16,149,271,608.81
  5. Step 5: Solve for x
    x = 16,149,271,608.81/146,789.64
  6. Step 6: Final answer
    x = 110,016.43

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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.