Home / 179,177.52-247,275.18-102,709.36

Finding the Fourth Proportional to 179,177.52, 247,275.18 and 102,709.36

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Solution

The fourth proportional to 179,177.52, 247,275.18 and 102,709.36 is: 141,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,177.52 : 247,275.18 = 102,709.36 : x
  2. Step 2: Convert to fraction form
    179,177.52/247,275.18 = 102,709.36/x
  3. Step 3: Cross multiply
    179,177.52x = 247,275.18 × 102,709.36
  4. Step 4: Simplify right side
    179,177.52x = 25,397,475,481.68
  5. Step 5: Solve for x
    x = 25,397,475,481.68/179,177.52
  6. Step 6: Final answer
    x = 141,744.77

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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.