Home / 161,956.26-223,489.48-89,360.01

Finding the Fourth Proportional to 161,956.26, 223,489.48 and 89,360.01

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Solution

The fourth proportional to 161,956.26, 223,489.48 and 89,360.01 is: 123,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,956.26 : 223,489.48 = 89,360.01 : x
  2. Step 2: Convert to fraction form
    161,956.26/223,489.48 = 89,360.01/x
  3. Step 3: Cross multiply
    161,956.26x = 223,489.48 × 89,360.01
  4. Step 4: Simplify right side
    161,956.26x = 19,971,022,167.69
  5. Step 5: Solve for x
    x = 19,971,022,167.69/161,956.26
  6. Step 6: Final answer
    x = 123,311.21

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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.