Home / 179,633.48-247,882.86-103,098.68

Finding the Fourth Proportional to 179,633.48, 247,882.86 and 103,098.68

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Solution

The fourth proportional to 179,633.48, 247,882.86 and 103,098.68 is: 142,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,633.48 : 247,882.86 = 103,098.68 : x
  2. Step 2: Convert to fraction form
    179,633.48/247,882.86 = 103,098.68/x
  3. Step 3: Cross multiply
    179,633.48x = 247,882.86 × 103,098.68
  4. Step 4: Simplify right side
    179,633.48x = 25,556,395,660.62
  5. Step 5: Solve for x
    x = 25,556,395,660.62/179,633.48
  6. Step 6: Final answer
    x = 142,269.67

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1.5x scale

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.