Home / 161,922.24-223,457.94-90,305.28

Finding the Fourth Proportional to 161,922.24, 223,457.94 and 90,305.28

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Solution

The fourth proportional to 161,922.24, 223,457.94 and 90,305.28 is: 124,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,922.24 : 223,457.94 = 90,305.28 : x
  2. Step 2: Convert to fraction form
    161,922.24/223,457.94 = 90,305.28/x
  3. Step 3: Cross multiply
    161,922.24x = 223,457.94 × 90,305.28
  4. Step 4: Simplify right side
    161,922.24x = 20,179,431,839.92
  5. Step 5: Solve for x
    x = 20,179,431,839.92/161,922.24
  6. Step 6: Final answer
    x = 124,624.21

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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.