Home / 188,342.72-282,552.96-55,227.20

Finding the Fourth Proportional to 188,342.72, 282,552.96 and 55,227.20

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Solution

The fourth proportional to 188,342.72, 282,552.96 and 55,227.20 is: 82,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,342.72 : 282,552.96 = 55,227.20 : x
  2. Step 2: Convert to fraction form
    188,342.72/282,552.96 = 55,227.20/x
  3. Step 3: Cross multiply
    188,342.72x = 282,552.96 × 55,227.20
  4. Step 4: Simplify right side
    188,342.72x = 15,604,608,832.51
  5. Step 5: Solve for x
    x = 15,604,608,832.51/188,342.72
  6. Step 6: Final answer
    x = 82,852.20

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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.