Home / 161,982.92-223,535.79-90,362.88

Finding the Fourth Proportional to 161,982.92, 223,535.79 and 90,362.88

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Solution

The fourth proportional to 161,982.92, 223,535.79 and 90,362.88 is: 124,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,982.92 : 223,535.79 = 90,362.88 : x
  2. Step 2: Convert to fraction form
    161,982.92/223,535.79 = 90,362.88/x
  3. Step 3: Cross multiply
    161,982.92x = 223,535.79 × 90,362.88
  4. Step 4: Simplify right side
    161,982.92x = 20,199,337,767.48
  5. Step 5: Solve for x
    x = 20,199,337,767.48/161,982.92
  6. Step 6: Final answer
    x = 124,700.42

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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.