Home / 179,078.60-247,109.06-103,613

Finding the Fourth Proportional to 179,078.60, 247,109.06 and 103,613

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Solution

The fourth proportional to 179,078.60, 247,109.06 and 103,613 is: 142,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,078.60 : 247,109.06 = 103,613 : x
  2. Step 2: Convert to fraction form
    179,078.60/247,109.06 = 103,613/x
  3. Step 3: Cross multiply
    179,078.60x = 247,109.06 × 103,613
  4. Step 4: Simplify right side
    179,078.60x = 25,603,711,033.78
  5. Step 5: Solve for x
    x = 25,603,711,033.78/179,078.60
  6. Step 6: Final answer
    x = 142,974.71

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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.