Home / 179,651.18-247,913.30-99,078.68

Finding the Fourth Proportional to 179,651.18, 247,913.30 and 99,078.68

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Solution

The fourth proportional to 179,651.18, 247,913.30 and 99,078.68 is: 136,725.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,651.18 : 247,913.30 = 99,078.68 : x
  2. Step 2: Convert to fraction form
    179,651.18/247,913.30 = 99,078.68/x
  3. Step 3: Cross multiply
    179,651.18x = 247,913.30 × 99,078.68
  4. Step 4: Simplify right side
    179,651.18x = 24,562,922,518.44
  5. Step 5: Solve for x
    x = 24,562,922,518.44/179,651.18
  6. Step 6: Final answer
    x = 136,725.64

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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.