Home / 161,083.12-222,297.45-88,489.07

Finding the Fourth Proportional to 161,083.12, 222,297.45 and 88,489.07

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Solution

The fourth proportional to 161,083.12, 222,297.45 and 88,489.07 is: 122,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,083.12 : 222,297.45 = 88,489.07 : x
  2. Step 2: Convert to fraction form
    161,083.12/222,297.45 = 88,489.07/x
  3. Step 3: Cross multiply
    161,083.12x = 222,297.45 × 88,489.07
  4. Step 4: Simplify right side
    161,083.12x = 19,670,894,613.87
  5. Step 5: Solve for x
    x = 19,670,894,613.87/161,083.12
  6. Step 6: Final answer
    x = 122,116.42

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1.5x scale

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.