Home / 161,822.56-223,310.48-90,201.04

Finding the Fourth Proportional to 161,822.56, 223,310.48 and 90,201.04

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Solution

The fourth proportional to 161,822.56, 223,310.48 and 90,201.04 is: 124,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,822.56 : 223,310.48 = 90,201.04 : x
  2. Step 2: Convert to fraction form
    161,822.56/223,310.48 = 90,201.04/x
  3. Step 3: Cross multiply
    161,822.56x = 223,310.48 × 90,201.04
  4. Step 4: Simplify right side
    161,822.56x = 20,142,835,971.34
  5. Step 5: Solve for x
    x = 20,142,835,971.34/161,822.56
  6. Step 6: Final answer
    x = 124,474.84

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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.