Home / 109,740.40-164,634.90-50,561.80

Finding the Fourth Proportional to 109,740.40, 164,634.90 and 50,561.80

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Solution

The fourth proportional to 109,740.40, 164,634.90 and 50,561.80 is: 75,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,740.40 : 164,634.90 = 50,561.80 : x
  2. Step 2: Convert to fraction form
    109,740.40/164,634.90 = 50,561.80/x
  3. Step 3: Cross multiply
    109,740.40x = 164,634.90 × 50,561.80
  4. Step 4: Simplify right side
    109,740.40x = 8,324,236,886.82
  5. Step 5: Solve for x
    x = 8,324,236,886.82/109,740.40
  6. Step 6: Final answer
    x = 75,853.90

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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.