Home / 213,933.61-320,936.87-107,368.39

Finding the Fourth Proportional to 213,933.61, 320,936.87 and 107,368.39

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Solution

The fourth proportional to 213,933.61, 320,936.87 and 107,368.39 is: 161,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,933.61 : 320,936.87 = 107,368.39 : x
  2. Step 2: Convert to fraction form
    213,933.61/320,936.87 = 107,368.39/x
  3. Step 3: Cross multiply
    213,933.61x = 320,936.87 × 107,368.39
  4. Step 4: Simplify right side
    213,933.61x = 34,458,475,023.54
  5. Step 5: Solve for x
    x = 34,458,475,023.54/213,933.61
  6. Step 6: Final answer
    x = 161,070.88

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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.