Home / 151,685.45-209,367.56-88,043.75

Finding the Fourth Proportional to 151,685.45, 209,367.56 and 88,043.75

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Solution

The fourth proportional to 151,685.45, 209,367.56 and 88,043.75 is: 121,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,685.45 : 209,367.56 = 88,043.75 : x
  2. Step 2: Convert to fraction form
    151,685.45/209,367.56 = 88,043.75/x
  3. Step 3: Cross multiply
    151,685.45x = 209,367.56 × 88,043.75
  4. Step 4: Simplify right side
    151,685.45x = 18,433,505,110.75
  5. Step 5: Solve for x
    x = 18,433,505,110.75/151,685.45
  6. Step 6: Final answer
    x = 121,524.54

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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.