Home / 109,962.72-164,832.84-43,377.12

Finding the Fourth Proportional to 109,962.72, 164,832.84 and 43,377.12

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Solution

The fourth proportional to 109,962.72, 164,832.84 and 43,377.12 is: 65,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,962.72 : 164,832.84 = 43,377.12 : x
  2. Step 2: Convert to fraction form
    109,962.72/164,832.84 = 43,377.12/x
  3. Step 3: Cross multiply
    109,962.72x = 164,832.84 × 43,377.12
  4. Step 4: Simplify right side
    109,962.72x = 7,149,973,880.62
  5. Step 5: Solve for x
    x = 7,149,973,880.62/109,962.72
  6. Step 6: Final answer
    x = 65,021.80

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1.5x scale

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.