Home / 217,019.30-325,577.55-83,887.70

Finding the Fourth Proportional to 217,019.30, 325,577.55 and 83,887.70

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Solution

The fourth proportional to 217,019.30, 325,577.55 and 83,887.70 is: 125,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,019.30 : 325,577.55 = 83,887.70 : x
  2. Step 2: Convert to fraction form
    217,019.30/325,577.55 = 83,887.70/x
  3. Step 3: Cross multiply
    217,019.30x = 325,577.55 × 83,887.70
  4. Step 4: Simplify right side
    217,019.30x = 27,311,951,841.14
  5. Step 5: Solve for x
    x = 27,311,951,841.14/217,019.30
  6. Step 6: Final answer
    x = 125,850.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.