Home / 122,004.38-182,971.37-42,039.09

Finding the Fourth Proportional to 122,004.38, 182,971.37 and 42,039.09

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Solution

The fourth proportional to 122,004.38, 182,971.37 and 42,039.09 is: 63,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,004.38 : 182,971.37 = 42,039.09 : x
  2. Step 2: Convert to fraction form
    122,004.38/182,971.37 = 42,039.09/x
  3. Step 3: Cross multiply
    122,004.38x = 182,971.37 × 42,039.09
  4. Step 4: Simplify right side
    122,004.38x = 7,691,949,995.95
  5. Step 5: Solve for x
    x = 7,691,949,995.95/122,004.38
  6. Step 6: Final answer
    x = 63,046.51

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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.