Home / 165,232.22-228,021.84-89,780.72

Finding the Fourth Proportional to 165,232.22, 228,021.84 and 89,780.72

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Solution

The fourth proportional to 165,232.22, 228,021.84 and 89,780.72 is: 123,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,232.22 : 228,021.84 = 89,780.72 : x
  2. Step 2: Convert to fraction form
    165,232.22/228,021.84 = 89,780.72/x
  3. Step 3: Cross multiply
    165,232.22x = 228,021.84 × 89,780.72
  4. Step 4: Simplify right side
    165,232.22x = 20,471,963,381.91
  5. Step 5: Solve for x
    x = 20,471,963,381.91/165,232.22
  6. Step 6: Final answer
    x = 123,898.14

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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.