Home / 125,239.26-187,869.82-31,745

Finding the Fourth Proportional to 125,239.26, 187,869.82 and 31,745

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Solution

The fourth proportional to 125,239.26, 187,869.82 and 31,745 is: 47,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,239.26 : 187,869.82 = 31,745 : x
  2. Step 2: Convert to fraction form
    125,239.26/187,869.82 = 31,745/x
  3. Step 3: Cross multiply
    125,239.26x = 187,869.82 × 31,745
  4. Step 4: Simplify right side
    125,239.26x = 5,963,927,435.90
  5. Step 5: Solve for x
    x = 5,963,927,435.90/125,239.26
  6. Step 6: Final answer
    x = 47,620.27

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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.