Home / 165,799.68-228,803.85-90,348.18

Finding the Fourth Proportional to 165,799.68, 228,803.85 and 90,348.18

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Solution

The fourth proportional to 165,799.68, 228,803.85 and 90,348.18 is: 124,680.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,799.68 : 228,803.85 = 90,348.18 : x
  2. Step 2: Convert to fraction form
    165,799.68/228,803.85 = 90,348.18/x
  3. Step 3: Cross multiply
    165,799.68x = 228,803.85 × 90,348.18
  4. Step 4: Simplify right side
    165,799.68x = 20,672,011,424.49
  5. Step 5: Solve for x
    x = 20,672,011,424.49/165,799.68
  6. Step 6: Final answer
    x = 124,680.65

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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.