Home / 147,820.56-203,992.23-79,837.53

Finding the Fourth Proportional to 147,820.56, 203,992.23 and 79,837.53

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Solution

The fourth proportional to 147,820.56, 203,992.23 and 79,837.53 is: 110,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,820.56 : 203,992.23 = 79,837.53 : x
  2. Step 2: Convert to fraction form
    147,820.56/203,992.23 = 79,837.53/x
  3. Step 3: Cross multiply
    147,820.56x = 203,992.23 × 79,837.53
  4. Step 4: Simplify right side
    147,820.56x = 16,286,235,782.39
  5. Step 5: Solve for x
    x = 16,286,235,782.39/147,820.56
  6. Step 6: Final answer
    x = 110,175.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.