Home / 320,129.34-480,266.94-109,754.52

Finding the Fourth Proportional to 320,129.34, 480,266.94 and 109,754.52

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Solution

The fourth proportional to 320,129.34, 480,266.94 and 109,754.52 is: 164,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,129.34 : 480,266.94 = 109,754.52 : x
  2. Step 2: Convert to fraction form
    320,129.34/480,266.94 = 109,754.52/x
  3. Step 3: Cross multiply
    320,129.34x = 480,266.94 × 109,754.52
  4. Step 4: Simplify right side
    320,129.34x = 52,711,467,471.57
  5. Step 5: Solve for x
    x = 52,711,467,471.57/320,129.34
  6. Step 6: Final answer
    x = 164,656.78

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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.