Home / 113,146.75-169,741.97-43,020.60

Finding the Fourth Proportional to 113,146.75, 169,741.97 and 43,020.60

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Solution

The fourth proportional to 113,146.75, 169,741.97 and 43,020.60 is: 64,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,146.75 : 169,741.97 = 43,020.60 : x
  2. Step 2: Convert to fraction form
    113,146.75/169,741.97 = 43,020.60/x
  3. Step 3: Cross multiply
    113,146.75x = 169,741.97 × 43,020.60
  4. Step 4: Simplify right side
    113,146.75x = 7,302,400,653.42
  5. Step 5: Solve for x
    x = 7,302,400,653.42/113,146.75
  6. Step 6: Final answer
    x = 64,539.20

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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.