Home / 179,138.60-247,246.64-102,709.04

Finding the Fourth Proportional to 179,138.60, 247,246.64 and 102,709.04

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Solution

The fourth proportional to 179,138.60, 247,246.64 and 102,709.04 is: 141,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,138.60 : 247,246.64 = 102,709.04 : x
  2. Step 2: Convert to fraction form
    179,138.60/247,246.64 = 102,709.04/x
  3. Step 3: Cross multiply
    179,138.60x = 247,246.64 × 102,709.04
  4. Step 4: Simplify right side
    179,138.60x = 25,394,465,037.63
  5. Step 5: Solve for x
    x = 25,394,465,037.63/179,138.60
  6. Step 6: Final answer
    x = 141,758.76

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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.