Home / 165,255.34-228,051.30-89,803.84

Finding the Fourth Proportional to 165,255.34, 228,051.30 and 89,803.84

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Solution

The fourth proportional to 165,255.34, 228,051.30 and 89,803.84 is: 123,928.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,255.34 : 228,051.30 = 89,803.84 : x
  2. Step 2: Convert to fraction form
    165,255.34/228,051.30 = 89,803.84/x
  3. Step 3: Cross multiply
    165,255.34x = 228,051.30 × 89,803.84
  4. Step 4: Simplify right side
    165,255.34x = 20,479,882,456.99
  5. Step 5: Solve for x
    x = 20,479,882,456.99/165,255.34
  6. Step 6: Final answer
    x = 123,928.72

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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.