Home / 109,589.40-164,448.90-39,459.60

Finding the Fourth Proportional to 109,589.40, 164,448.90 and 39,459.60

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Solution

The fourth proportional to 109,589.40, 164,448.90 and 39,459.60 is: 59,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,589.40 : 164,448.90 = 39,459.60 : x
  2. Step 2: Convert to fraction form
    109,589.40/164,448.90 = 39,459.60/x
  3. Step 3: Cross multiply
    109,589.40x = 164,448.90 × 39,459.60
  4. Step 4: Simplify right side
    109,589.40x = 6,489,087,814.44
  5. Step 5: Solve for x
    x = 6,489,087,814.44/109,589.40
  6. Step 6: Final answer
    x = 59,212.73

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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.