Home / 165,509.10-228,372.34-108,133.16

Finding the Fourth Proportional to 165,509.10, 228,372.34 and 108,133.16

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Solution

The fourth proportional to 165,509.10, 228,372.34 and 108,133.16 is: 149,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,509.10 : 228,372.34 = 108,133.16 : x
  2. Step 2: Convert to fraction form
    165,509.10/228,372.34 = 108,133.16/x
  3. Step 3: Cross multiply
    165,509.10x = 228,372.34 × 108,133.16
  4. Step 4: Simplify right side
    165,509.10x = 24,694,622,780.79
  5. Step 5: Solve for x
    x = 24,694,622,780.79/165,509.10
  6. Step 6: Final answer
    x = 149,204.02

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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.