Home / 188,699.12-283,003.32-55,543.22

Finding the Fourth Proportional to 188,699.12, 283,003.32 and 55,543.22

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Solution

The fourth proportional to 188,699.12, 283,003.32 and 55,543.22 is: 83,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,699.12 : 283,003.32 = 55,543.22 : x
  2. Step 2: Convert to fraction form
    188,699.12/283,003.32 = 55,543.22/x
  3. Step 3: Cross multiply
    188,699.12x = 283,003.32 × 55,543.22
  4. Step 4: Simplify right side
    188,699.12x = 15,718,915,663.49
  5. Step 5: Solve for x
    x = 15,718,915,663.49/188,699.12
  6. Step 6: Final answer
    x = 83,301.48

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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.