Home / 131,736.40-197,021.40-110,741.20

Finding the Fourth Proportional to 131,736.40, 197,021.40 and 110,741.20

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Solution

The fourth proportional to 131,736.40, 197,021.40 and 110,741.20 is: 165,621.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.40 : 197,021.40 = 110,741.20 : x
  2. Step 2: Convert to fraction form
    131,736.40/197,021.40 = 110,741.20/x
  3. Step 3: Cross multiply
    131,736.40x = 197,021.40 × 110,741.20
  4. Step 4: Simplify right side
    131,736.40x = 21,818,386,261.68
  5. Step 5: Solve for x
    x = 21,818,386,261.68/131,736.40
  6. Step 6: Final answer
    x = 165,621.55

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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.