Home / 151,305.62-208,800.05-83,321.22

Finding the Fourth Proportional to 151,305.62, 208,800.05 and 83,321.22

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Solution

The fourth proportional to 151,305.62, 208,800.05 and 83,321.22 is: 114,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,305.62 : 208,800.05 = 83,321.22 : x
  2. Step 2: Convert to fraction form
    151,305.62/208,800.05 = 83,321.22/x
  3. Step 3: Cross multiply
    151,305.62x = 208,800.05 × 83,321.22
  4. Step 4: Simplify right side
    151,305.62x = 17,397,474,902.06
  5. Step 5: Solve for x
    x = 17,397,474,902.06/151,305.62
  6. Step 6: Final answer
    x = 114,982.34

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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.