Home / 234,106.20-323,068.50-137,367.90

Finding the Fourth Proportional to 234,106.20, 323,068.50 and 137,367.90

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Solution

The fourth proportional to 234,106.20, 323,068.50 and 137,367.90 is: 189,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,106.20 : 323,068.50 = 137,367.90 : x
  2. Step 2: Convert to fraction form
    234,106.20/323,068.50 = 137,367.90/x
  3. Step 3: Cross multiply
    234,106.20x = 323,068.50 × 137,367.90
  4. Step 4: Simplify right side
    234,106.20x = 44,379,241,401.15
  5. Step 5: Solve for x
    x = 44,379,241,401.15/234,106.20
  6. Step 6: Final answer
    x = 189,568.84

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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.