Home / 137,563.43-206,374.85-42,791.81

Finding the Fourth Proportional to 137,563.43, 206,374.85 and 42,791.81

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Solution

The fourth proportional to 137,563.43, 206,374.85 and 42,791.81 is: 64,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,563.43 : 206,374.85 = 42,791.81 : x
  2. Step 2: Convert to fraction form
    137,563.43/206,374.85 = 42,791.81/x
  3. Step 3: Cross multiply
    137,563.43x = 206,374.85 × 42,791.81
  4. Step 4: Simplify right side
    137,563.43x = 8,831,152,124.15
  5. Step 5: Solve for x
    x = 8,831,152,124.15/137,563.43
  6. Step 6: Final answer
    x = 64,196.95

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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.