Home / 188,636.19-283,029.89-68,701.49

Finding the Fourth Proportional to 188,636.19, 283,029.89 and 68,701.49

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Solution

The fourth proportional to 188,636.19, 283,029.89 and 68,701.49 is: 103,079.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,636.19 : 283,029.89 = 68,701.49 : x
  2. Step 2: Convert to fraction form
    188,636.19/283,029.89 = 68,701.49/x
  3. Step 3: Cross multiply
    188,636.19x = 283,029.89 × 68,701.49
  4. Step 4: Simplify right side
    188,636.19x = 19,444,575,157.54
  5. Step 5: Solve for x
    x = 19,444,575,157.54/188,636.19
  6. Step 6: Final answer
    x = 103,079.77

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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.