Home / 149,771.44-206,676.12-89,410.24

Finding the Fourth Proportional to 149,771.44, 206,676.12 and 89,410.24

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Solution

The fourth proportional to 149,771.44, 206,676.12 and 89,410.24 is: 123,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,771.44 : 206,676.12 = 89,410.24 : x
  2. Step 2: Convert to fraction form
    149,771.44/206,676.12 = 89,410.24/x
  3. Step 3: Cross multiply
    149,771.44x = 206,676.12 × 89,410.24
  4. Step 4: Simplify right side
    149,771.44x = 18,478,961,491.47
  5. Step 5: Solve for x
    x = 18,478,961,491.47/149,771.44
  6. Step 6: Final answer
    x = 123,381.08

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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.