Home / 165,609.20-228,541.56-90,158.24

Finding the Fourth Proportional to 165,609.20, 228,541.56 and 90,158.24

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Solution

The fourth proportional to 165,609.20, 228,541.56 and 90,158.24 is: 124,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,609.20 : 228,541.56 = 90,158.24 : x
  2. Step 2: Convert to fraction form
    165,609.20/228,541.56 = 90,158.24/x
  3. Step 3: Cross multiply
    165,609.20x = 228,541.56 × 90,158.24
  4. Step 4: Simplify right side
    165,609.20x = 20,604,904,816.45
  5. Step 5: Solve for x
    x = 20,604,904,816.45/165,609.20
  6. Step 6: Final answer
    x = 124,418.84

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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.