Home / 132,982.48-199,239.96-118,519.12

Finding the Fourth Proportional to 132,982.48, 199,239.96 and 118,519.12

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Solution

The fourth proportional to 132,982.48, 199,239.96 and 118,519.12 is: 177,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,982.48 : 199,239.96 = 118,519.12 : x
  2. Step 2: Convert to fraction form
    132,982.48/199,239.96 = 118,519.12/x
  3. Step 3: Cross multiply
    132,982.48x = 199,239.96 × 118,519.12
  4. Step 4: Simplify right side
    132,982.48x = 23,613,744,728.04
  5. Step 5: Solve for x
    x = 23,613,744,728.04/132,982.48
  6. Step 6: Final answer
    x = 177,570.34

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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.