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Finding the Fourth Proportional to 161,403.13, 222,738.02 and 88,806.96

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Solution

The fourth proportional to 161,403.13, 222,738.02 and 88,806.96 is: 122,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,403.13 : 222,738.02 = 88,806.96 : x
  2. Step 2: Convert to fraction form
    161,403.13/222,738.02 = 88,806.96/x
  3. Step 3: Cross multiply
    161,403.13x = 222,738.02 × 88,806.96
  4. Step 4: Simplify right side
    161,403.13x = 19,780,686,823.85
  5. Step 5: Solve for x
    x = 19,780,686,823.85/161,403.13
  6. Step 6: Final answer
    x = 122,554.54

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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.