Home / 215,160.26-322,403.07-136,107.50

Finding the Fourth Proportional to 215,160.26, 322,403.07 and 136,107.50

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Solution

The fourth proportional to 215,160.26, 322,403.07 and 136,107.50 is: 203,947.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,160.26 : 322,403.07 = 136,107.50 : x
  2. Step 2: Convert to fraction form
    215,160.26/322,403.07 = 136,107.50/x
  3. Step 3: Cross multiply
    215,160.26x = 322,403.07 × 136,107.50
  4. Step 4: Simplify right side
    215,160.26x = 43,881,475,850.03
  5. Step 5: Solve for x
    x = 43,881,475,850.03/215,160.26
  6. Step 6: Final answer
    x = 203,947.87

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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.