Home / 149,691.64-206,574.41-102,028.22

Finding the Fourth Proportional to 149,691.64, 206,574.41 and 102,028.22

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Solution

The fourth proportional to 149,691.64, 206,574.41 and 102,028.22 is: 140,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,691.64 : 206,574.41 = 102,028.22 : x
  2. Step 2: Convert to fraction form
    149,691.64/206,574.41 = 102,028.22/x
  3. Step 3: Cross multiply
    149,691.64x = 206,574.41 × 102,028.22
  4. Step 4: Simplify right side
    149,691.64x = 21,076,419,349.85
  5. Step 5: Solve for x
    x = 21,076,419,349.85/149,691.64
  6. Step 6: Final answer
    x = 140,798.91

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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.