Home / 109,675.20-164,266.76-89,992.20

Finding the Fourth Proportional to 109,675.20, 164,266.76 and 89,992.20

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Solution

The fourth proportional to 109,675.20, 164,266.76 and 89,992.20 is: 134,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,675.20 : 164,266.76 = 89,992.20 : x
  2. Step 2: Convert to fraction form
    109,675.20/164,266.76 = 89,992.20/x
  3. Step 3: Cross multiply
    109,675.20x = 164,266.76 × 89,992.20
  4. Step 4: Simplify right side
    109,675.20x = 14,782,727,344.25
  5. Step 5: Solve for x
    x = 14,782,727,344.25/109,675.20
  6. Step 6: Final answer
    x = 134,786.42

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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.