Home / 134,682.28-202,102.13-74,761.21

Finding the Fourth Proportional to 134,682.28, 202,102.13 and 74,761.21

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Solution

The fourth proportional to 134,682.28, 202,102.13 and 74,761.21 is: 112,185.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,682.28 : 202,102.13 = 74,761.21 : x
  2. Step 2: Convert to fraction form
    134,682.28/202,102.13 = 74,761.21/x
  3. Step 3: Cross multiply
    134,682.28x = 202,102.13 × 74,761.21
  4. Step 4: Simplify right side
    134,682.28x = 15,109,400,221.91
  5. Step 5: Solve for x
    x = 15,109,400,221.91/134,682.28
  6. Step 6: Final answer
    x = 112,185.51

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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.