Home / 165,934.08-228,988.96-90,482.58

Finding the Fourth Proportional to 165,934.08, 228,988.96 and 90,482.58

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Solution

The fourth proportional to 165,934.08, 228,988.96 and 90,482.58 is: 124,865.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,934.08 : 228,988.96 = 90,482.58 : x
  2. Step 2: Convert to fraction form
    165,934.08/228,988.96 = 90,482.58/x
  3. Step 3: Cross multiply
    165,934.08x = 228,988.96 × 90,482.58
  4. Step 4: Simplify right side
    165,934.08x = 20,719,511,892.32
  5. Step 5: Solve for x
    x = 20,719,511,892.32/165,934.08
  6. Step 6: Final answer
    x = 124,865.92

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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.