Home / 179,622.99-247,852.67-103,145.42

Finding the Fourth Proportional to 179,622.99, 247,852.67 and 103,145.42

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Solution

The fourth proportional to 179,622.99, 247,852.67 and 103,145.42 is: 142,325.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,622.99 : 247,852.67 = 103,145.42 : x
  2. Step 2: Convert to fraction form
    179,622.99/247,852.67 = 103,145.42/x
  3. Step 3: Cross multiply
    179,622.99x = 247,852.67 × 103,145.42
  4. Step 4: Simplify right side
    179,622.99x = 25,564,867,745.27
  5. Step 5: Solve for x
    x = 25,564,867,745.27/179,622.99
  6. Step 6: Final answer
    x = 142,325.14

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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.