Home / 131,514.32-197,041.80-109,469.36

Finding the Fourth Proportional to 131,514.32, 197,041.80 and 109,469.36

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Solution

The fourth proportional to 131,514.32, 197,041.80 and 109,469.36 is: 164,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,514.32 : 197,041.80 = 109,469.36 : x
  2. Step 2: Convert to fraction form
    131,514.32/197,041.80 = 109,469.36/x
  3. Step 3: Cross multiply
    131,514.32x = 197,041.80 × 109,469.36
  4. Step 4: Simplify right side
    131,514.32x = 21,570,039,739.25
  5. Step 5: Solve for x
    x = 21,570,039,739.25/131,514.32
  6. Step 6: Final answer
    x = 164,012.86

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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.