Home / 165,251.70-228,047.43-89,800.20

Finding the Fourth Proportional to 165,251.70, 228,047.43 and 89,800.20

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Solution

The fourth proportional to 165,251.70, 228,047.43 and 89,800.20 is: 123,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,251.70 : 228,047.43 = 89,800.20 : x
  2. Step 2: Convert to fraction form
    165,251.70/228,047.43 = 89,800.20/x
  3. Step 3: Cross multiply
    165,251.70x = 228,047.43 × 89,800.20
  4. Step 4: Simplify right side
    165,251.70x = 20,478,704,823.49
  5. Step 5: Solve for x
    x = 20,478,704,823.49/165,251.70
  6. Step 6: Final answer
    x = 123,924.32

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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.