Home / 149,498.42-206,326.44-85,834.85

Finding the Fourth Proportional to 149,498.42, 206,326.44 and 85,834.85

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Solution

The fourth proportional to 149,498.42, 206,326.44 and 85,834.85 is: 118,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,498.42 : 206,326.44 = 85,834.85 : x
  2. Step 2: Convert to fraction form
    149,498.42/206,326.44 = 85,834.85/x
  3. Step 3: Cross multiply
    149,498.42x = 206,326.44 × 85,834.85
  4. Step 4: Simplify right side
    149,498.42x = 17,709,997,996.80
  5. Step 5: Solve for x
    x = 17,709,997,996.80/149,498.42
  6. Step 6: Final answer
    x = 118,462.78

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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.