Home / 213,437.73-320,169.11-80,319.14

Finding the Fourth Proportional to 213,437.73, 320,169.11 and 80,319.14

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Solution

The fourth proportional to 213,437.73, 320,169.11 and 80,319.14 is: 120,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,437.73 : 320,169.11 = 80,319.14 : x
  2. Step 2: Convert to fraction form
    213,437.73/320,169.11 = 80,319.14/x
  3. Step 3: Cross multiply
    213,437.73x = 320,169.11 × 80,319.14
  4. Step 4: Simplify right side
    213,437.73x = 25,715,707,569.77
  5. Step 5: Solve for x
    x = 25,715,707,569.77/213,437.73
  6. Step 6: Final answer
    x = 120,483.42

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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.