Home / 165,934.93-228,989.78-90,483.43

Finding the Fourth Proportional to 165,934.93, 228,989.78 and 90,483.43

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Solution

The fourth proportional to 165,934.93, 228,989.78 and 90,483.43 is: 124,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,934.93 : 228,989.78 = 90,483.43 : x
  2. Step 2: Convert to fraction form
    165,934.93/228,989.78 = 90,483.43/x
  3. Step 3: Cross multiply
    165,934.93x = 228,989.78 × 90,483.43
  4. Step 4: Simplify right side
    165,934.93x = 20,719,780,729.35
  5. Step 5: Solve for x
    x = 20,719,780,729.35/165,934.93
  6. Step 6: Final answer
    x = 124,866.90

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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.