Home / 161,587.26-242,268.45-71,581.14

Finding the Fourth Proportional to 161,587.26, 242,268.45 and 71,581.14

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Solution

The fourth proportional to 161,587.26, 242,268.45 and 71,581.14 is: 107,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,587.26 : 242,268.45 = 71,581.14 : x
  2. Step 2: Convert to fraction form
    161,587.26/242,268.45 = 71,581.14/x
  3. Step 3: Cross multiply
    161,587.26x = 242,268.45 × 71,581.14
  4. Step 4: Simplify right side
    161,587.26x = 17,341,851,837.03
  5. Step 5: Solve for x
    x = 17,341,851,837.03/161,587.26
  6. Step 6: Final answer
    x = 107,321.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.