Home / 188,036.40-281,789.40-103,834.47

Finding the Fourth Proportional to 188,036.40, 281,789.40 and 103,834.47

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Solution

The fourth proportional to 188,036.40, 281,789.40 and 103,834.47 is: 155,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,036.40 : 281,789.40 = 103,834.47 : x
  2. Step 2: Convert to fraction form
    188,036.40/281,789.40 = 103,834.47/x
  3. Step 3: Cross multiply
    188,036.40x = 281,789.40 × 103,834.47
  4. Step 4: Simplify right side
    188,036.40x = 29,259,453,000.62
  5. Step 5: Solve for x
    x = 29,259,453,000.62/188,036.40
  6. Step 6: Final answer
    x = 155,605.26

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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.