Home / 161,363.34-222,664.32-89,731.80

Finding the Fourth Proportional to 161,363.34, 222,664.32 and 89,731.80

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Solution

The fourth proportional to 161,363.34, 222,664.32 and 89,731.80 is: 123,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,363.34 : 222,664.32 = 89,731.80 : x
  2. Step 2: Convert to fraction form
    161,363.34/222,664.32 = 89,731.80/x
  3. Step 3: Cross multiply
    161,363.34x = 222,664.32 × 89,731.80
  4. Step 4: Simplify right side
    161,363.34x = 19,980,070,229.38
  5. Step 5: Solve for x
    x = 19,980,070,229.38/161,363.34
  6. Step 6: Final answer
    x = 123,820.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.