Home / 165,929.36-228,987.24-90,482

Finding the Fourth Proportional to 165,929.36, 228,987.24 and 90,482

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Solution

The fourth proportional to 165,929.36, 228,987.24 and 90,482 is: 124,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,929.36 : 228,987.24 = 90,482 : x
  2. Step 2: Convert to fraction form
    165,929.36/228,987.24 = 90,482/x
  3. Step 3: Cross multiply
    165,929.36x = 228,987.24 × 90,482
  4. Step 4: Simplify right side
    165,929.36x = 20,719,223,449.68
  5. Step 5: Solve for x
    x = 20,719,223,449.68/165,929.36
  6. Step 6: Final answer
    x = 124,867.74

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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.