Home / 223,124.25-307,880.48-131,247.70

Finding the Fourth Proportional to 223,124.25, 307,880.48 and 131,247.70

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Solution

The fourth proportional to 223,124.25, 307,880.48 and 131,247.70 is: 181,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,124.25 : 307,880.48 = 131,247.70 : x
  2. Step 2: Convert to fraction form
    223,124.25/307,880.48 = 131,247.70/x
  3. Step 3: Cross multiply
    223,124.25x = 307,880.48 × 131,247.70
  4. Step 4: Simplify right side
    223,124.25x = 40,408,604,874.90
  5. Step 5: Solve for x
    x = 40,408,604,874.90/223,124.25
  6. Step 6: Final answer
    x = 181,103.60

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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.