Home / 161,241.40-222,451.09-103,876.39

Finding the Fourth Proportional to 161,241.40, 222,451.09 and 103,876.39

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Solution

The fourth proportional to 161,241.40, 222,451.09 and 103,876.39 is: 143,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,241.40 : 222,451.09 = 103,876.39 : x
  2. Step 2: Convert to fraction form
    161,241.40/222,451.09 = 103,876.39/x
  3. Step 3: Cross multiply
    161,241.40x = 222,451.09 × 103,876.39
  4. Step 4: Simplify right side
    161,241.40x = 23,107,416,180.77
  5. Step 5: Solve for x
    x = 23,107,416,180.77/161,241.40
  6. Step 6: Final answer
    x = 143,309.45

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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.