Home / 131,161.20-196,741.80-127,273.20

Finding the Fourth Proportional to 131,161.20, 196,741.80 and 127,273.20

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Solution

The fourth proportional to 131,161.20, 196,741.80 and 127,273.20 is: 190,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,161.20 : 196,741.80 = 127,273.20 : x
  2. Step 2: Convert to fraction form
    131,161.20/196,741.80 = 127,273.20/x
  3. Step 3: Cross multiply
    131,161.20x = 196,741.80 × 127,273.20
  4. Step 4: Simplify right side
    131,161.20x = 25,039,958,459.76
  5. Step 5: Solve for x
    x = 25,039,958,459.76/131,161.20
  6. Step 6: Final answer
    x = 190,909.80

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1.5x scale

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.