Home / 124,796.21-172,198.86-71,082.28

Finding the Fourth Proportional to 124,796.21, 172,198.86 and 71,082.28

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Solution

The fourth proportional to 124,796.21, 172,198.86 and 71,082.28 is: 98,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,796.21 : 172,198.86 = 71,082.28 : x
  2. Step 2: Convert to fraction form
    124,796.21/172,198.86 = 71,082.28/x
  3. Step 3: Cross multiply
    124,796.21x = 172,198.86 × 71,082.28
  4. Step 4: Simplify right side
    124,796.21x = 12,240,286,721.21
  5. Step 5: Solve for x
    x = 12,240,286,721.21/124,796.21
  6. Step 6: Final answer
    x = 98,082.20

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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.