Home / 161,337.24-222,624.36-89,703

Finding the Fourth Proportional to 161,337.24, 222,624.36 and 89,703

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Solution

The fourth proportional to 161,337.24, 222,624.36 and 89,703 is: 123,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,337.24 : 222,624.36 = 89,703 : x
  2. Step 2: Convert to fraction form
    161,337.24/222,624.36 = 89,703/x
  3. Step 3: Cross multiply
    161,337.24x = 222,624.36 × 89,703
  4. Step 4: Simplify right side
    161,337.24x = 19,970,072,965.08
  5. Step 5: Solve for x
    x = 19,970,072,965.08/161,337.24
  6. Step 6: Final answer
    x = 123,778.45

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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.