Home / 161,006.45-222,178.79-88,408.83

Finding the Fourth Proportional to 161,006.45, 222,178.79 and 88,408.83

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Solution

The fourth proportional to 161,006.45, 222,178.79 and 88,408.83 is: 121,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,006.45 : 222,178.79 = 88,408.83 : x
  2. Step 2: Convert to fraction form
    161,006.45/222,178.79 = 88,408.83/x
  3. Step 3: Cross multiply
    161,006.45x = 222,178.79 × 88,408.83
  4. Step 4: Simplify right side
    161,006.45x = 19,642,567,193.05
  5. Step 5: Solve for x
    x = 19,642,567,193.05/161,006.45
  6. Step 6: Final answer
    x = 121,998.64

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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.