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Finding the Fourth Proportional to 148,486.62, 204,820.81 and 88,016.79

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Solution

The fourth proportional to 148,486.62, 204,820.81 and 88,016.79 is: 121,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,486.62 : 204,820.81 = 88,016.79 : x
  2. Step 2: Convert to fraction form
    148,486.62/204,820.81 = 88,016.79/x
  3. Step 3: Cross multiply
    148,486.62x = 204,820.81 × 88,016.79
  4. Step 4: Simplify right side
    148,486.62x = 18,027,670,221.40
  5. Step 5: Solve for x
    x = 18,027,670,221.40/148,486.62
  6. Step 6: Final answer
    x = 121,409.39

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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.