Home / 161,285.49-222,579.68-88,693.91

Finding the Fourth Proportional to 161,285.49, 222,579.68 and 88,693.91

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Solution

The fourth proportional to 161,285.49, 222,579.68 and 88,693.91 is: 122,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,285.49 : 222,579.68 = 88,693.91 : x
  2. Step 2: Convert to fraction form
    161,285.49/222,579.68 = 88,693.91/x
  3. Step 3: Cross multiply
    161,285.49x = 222,579.68 × 88,693.91
  4. Step 4: Simplify right side
    161,285.49x = 19,741,461,105.83
  5. Step 5: Solve for x
    x = 19,741,461,105.83/161,285.49
  6. Step 6: Final answer
    x = 122,400.73

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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.