Home / 161,333.26-242,066.38-71,328.64

Finding the Fourth Proportional to 161,333.26, 242,066.38 and 71,328.64

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Solution

The fourth proportional to 161,333.26, 242,066.38 and 71,328.64 is: 107,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,333.26 : 242,066.38 = 71,328.64 : x
  2. Step 2: Convert to fraction form
    161,333.26/242,066.38 = 71,328.64/x
  3. Step 3: Cross multiply
    161,333.26x = 242,066.38 × 71,328.64
  4. Step 4: Simplify right side
    161,333.26x = 17,266,265,675.12
  5. Step 5: Solve for x
    x = 17,266,265,675.12/161,333.26
  6. Step 6: Final answer
    x = 107,022.36

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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.