Home / 149,414.62-205,908.06-106,899.34

Finding the Fourth Proportional to 149,414.62, 205,908.06 and 106,899.34

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Solution

The fourth proportional to 149,414.62, 205,908.06 and 106,899.34 is: 147,317.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,414.62 : 205,908.06 = 106,899.34 : x
  2. Step 2: Convert to fraction form
    149,414.62/205,908.06 = 106,899.34/x
  3. Step 3: Cross multiply
    149,414.62x = 205,908.06 × 106,899.34
  4. Step 4: Simplify right side
    149,414.62x = 22,011,435,714.68
  5. Step 5: Solve for x
    x = 22,011,435,714.68/149,414.62
  6. Step 6: Final answer
    x = 147,317.82

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1.5x scale

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.