Home / 188,841.51-283,270.08-55,721.76

Finding the Fourth Proportional to 188,841.51, 283,270.08 and 55,721.76

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Solution

The fourth proportional to 188,841.51, 283,270.08 and 55,721.76 is: 83,584.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,841.51 : 283,270.08 = 55,721.76 : x
  2. Step 2: Convert to fraction form
    188,841.51/283,270.08 = 55,721.76/x
  3. Step 3: Cross multiply
    188,841.51x = 283,270.08 × 55,721.76
  4. Step 4: Simplify right side
    188,841.51x = 15,784,307,134.33
  5. Step 5: Solve for x
    x = 15,784,307,134.33/188,841.51
  6. Step 6: Final answer
    x = 83,584.95

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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.