Home / 161,259.62-222,536.61-89,638.11

Finding the Fourth Proportional to 161,259.62, 222,536.61 and 89,638.11

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Solution

The fourth proportional to 161,259.62, 222,536.61 and 89,638.11 is: 123,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,259.62 : 222,536.61 = 89,638.11 : x
  2. Step 2: Convert to fraction form
    161,259.62/222,536.61 = 89,638.11/x
  3. Step 3: Cross multiply
    161,259.62x = 222,536.61 × 89,638.11
  4. Step 4: Simplify right side
    161,259.62x = 19,947,761,126.21
  5. Step 5: Solve for x
    x = 19,947,761,126.21/161,259.62
  6. Step 6: Final answer
    x = 123,699.67

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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.