Home / 123,475.76-185,213.55-34,729.22

Finding the Fourth Proportional to 123,475.76, 185,213.55 and 34,729.22

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Solution

The fourth proportional to 123,475.76, 185,213.55 and 34,729.22 is: 52,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,475.76 : 185,213.55 = 34,729.22 : x
  2. Step 2: Convert to fraction form
    123,475.76/185,213.55 = 34,729.22/x
  3. Step 3: Cross multiply
    123,475.76x = 185,213.55 × 34,729.22
  4. Step 4: Simplify right side
    123,475.76x = 6,432,322,718.20
  5. Step 5: Solve for x
    x = 6,432,322,718.20/123,475.76
  6. Step 6: Final answer
    x = 52,093.81

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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.