Home / 137,623.40-206,435.10-44,138.60

Finding the Fourth Proportional to 137,623.40, 206,435.10 and 44,138.60

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Solution

The fourth proportional to 137,623.40, 206,435.10 and 44,138.60 is: 66,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,623.40 : 206,435.10 = 44,138.60 : x
  2. Step 2: Convert to fraction form
    137,623.40/206,435.10 = 44,138.60/x
  3. Step 3: Cross multiply
    137,623.40x = 206,435.10 × 44,138.60
  4. Step 4: Simplify right side
    137,623.40x = 9,111,756,304.86
  5. Step 5: Solve for x
    x = 9,111,756,304.86/137,623.40
  6. Step 6: Final answer
    x = 66,207.90

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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.