Home / 216,489.06-298,756.89-119,691.54

Finding the Fourth Proportional to 216,489.06, 298,756.89 and 119,691.54

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Solution

The fourth proportional to 216,489.06, 298,756.89 and 119,691.54 is: 165,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,489.06 : 298,756.89 = 119,691.54 : x
  2. Step 2: Convert to fraction form
    216,489.06/298,756.89 = 119,691.54/x
  3. Step 3: Cross multiply
    216,489.06x = 298,756.89 × 119,691.54
  4. Step 4: Simplify right side
    216,489.06x = 35,758,672,249.71
  5. Step 5: Solve for x
    x = 35,758,672,249.71/216,489.06
  6. Step 6: Final answer
    x = 165,175.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.