Home / 240,815.59-332,313.64-131,920.39

Finding the Fourth Proportional to 240,815.59, 332,313.64 and 131,920.39

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Solution

The fourth proportional to 240,815.59, 332,313.64 and 131,920.39 is: 182,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,815.59 : 332,313.64 = 131,920.39 : x
  2. Step 2: Convert to fraction form
    240,815.59/332,313.64 = 131,920.39/x
  3. Step 3: Cross multiply
    240,815.59x = 332,313.64 × 131,920.39
  4. Step 4: Simplify right side
    240,815.59x = 43,838,944,991.12
  5. Step 5: Solve for x
    x = 43,838,944,991.12/240,815.59
  6. Step 6: Final answer
    x = 182,043.63

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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.