Home / 137,941.85-206,801.10-43,123.21

Finding the Fourth Proportional to 137,941.85, 206,801.10 and 43,123.21

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Solution

The fourth proportional to 137,941.85, 206,801.10 and 43,123.21 is: 64,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,941.85 : 206,801.10 = 43,123.21 : x
  2. Step 2: Convert to fraction form
    137,941.85/206,801.10 = 43,123.21/x
  3. Step 3: Cross multiply
    137,941.85x = 206,801.10 × 43,123.21
  4. Step 4: Simplify right side
    137,941.85x = 8,917,926,746.53
  5. Step 5: Solve for x
    x = 8,917,926,746.53/137,941.85
  6. Step 6: Final answer
    x = 64,649.90

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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.