Home / 98,166.62-135,465.26-55,719.38

Finding the Fourth Proportional to 98,166.62, 135,465.26 and 55,719.38

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Solution

The fourth proportional to 98,166.62, 135,465.26 and 55,719.38 is: 76,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,166.62 : 135,465.26 = 55,719.38 : x
  2. Step 2: Convert to fraction form
    98,166.62/135,465.26 = 55,719.38/x
  3. Step 3: Cross multiply
    98,166.62x = 135,465.26 × 55,719.38
  4. Step 4: Simplify right side
    98,166.62x = 7,548,040,298.74
  5. Step 5: Solve for x
    x = 7,548,040,298.74/98,166.62
  6. Step 6: Final answer
    x = 76,890.09

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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.