Home / 213,305.09-320,016.96-93,340.67

Finding the Fourth Proportional to 213,305.09, 320,016.96 and 93,340.67

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Solution

The fourth proportional to 213,305.09, 320,016.96 and 93,340.67 is: 140,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,305.09 : 320,016.96 = 93,340.67 : x
  2. Step 2: Convert to fraction form
    213,305.09/320,016.96 = 93,340.67/x
  3. Step 3: Cross multiply
    213,305.09x = 320,016.96 × 93,340.67
  4. Step 4: Simplify right side
    213,305.09x = 29,870,595,857.68
  5. Step 5: Solve for x
    x = 29,870,595,857.68/213,305.09
  6. Step 6: Final answer
    x = 140,036.96

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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.