Home / 151,255.96-208,738.01-82,350.07

Finding the Fourth Proportional to 151,255.96, 208,738.01 and 82,350.07

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Solution

The fourth proportional to 151,255.96, 208,738.01 and 82,350.07 is: 113,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,255.96 : 208,738.01 = 82,350.07 : x
  2. Step 2: Convert to fraction form
    151,255.96/208,738.01 = 82,350.07/x
  3. Step 3: Cross multiply
    151,255.96x = 208,738.01 × 82,350.07
  4. Step 4: Simplify right side
    151,255.96x = 17,189,589,419.19
  5. Step 5: Solve for x
    x = 17,189,589,419.19/151,255.96
  6. Step 6: Final answer
    x = 113,645.70

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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.