Home / 137,942.85-206,802.60-43,124.21

Finding the Fourth Proportional to 137,942.85, 206,802.60 and 43,124.21

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Solution

The fourth proportional to 137,942.85, 206,802.60 and 43,124.21 is: 64,651.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,942.85 : 206,802.60 = 43,124.21 : x
  2. Step 2: Convert to fraction form
    137,942.85/206,802.60 = 43,124.21/x
  3. Step 3: Cross multiply
    137,942.85x = 206,802.60 × 43,124.21
  4. Step 4: Simplify right side
    137,942.85x = 8,918,198,750.95
  5. Step 5: Solve for x
    x = 8,918,198,750.95/137,942.85
  6. Step 6: Final answer
    x = 64,651.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.