Home / 215,403.58-323,105.46-103,057.36

Finding the Fourth Proportional to 215,403.58, 323,105.46 and 103,057.36

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Solution

The fourth proportional to 215,403.58, 323,105.46 and 103,057.36 is: 154,586.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,403.58 : 323,105.46 = 103,057.36 : x
  2. Step 2: Convert to fraction form
    215,403.58/323,105.46 = 103,057.36/x
  3. Step 3: Cross multiply
    215,403.58x = 323,105.46 × 103,057.36
  4. Step 4: Simplify right side
    215,403.58x = 33,298,395,709.19
  5. Step 5: Solve for x
    x = 33,298,395,709.19/215,403.58
  6. Step 6: Final answer
    x = 154,586.08

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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.