Home / 165,217.34-228,004.90-116,905.88

Finding the Fourth Proportional to 165,217.34, 228,004.90 and 116,905.88

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Solution

The fourth proportional to 165,217.34, 228,004.90 and 116,905.88 is: 161,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,217.34 : 228,004.90 = 116,905.88 : x
  2. Step 2: Convert to fraction form
    165,217.34/228,004.90 = 116,905.88/x
  3. Step 3: Cross multiply
    165,217.34x = 228,004.90 × 116,905.88
  4. Step 4: Simplify right side
    165,217.34x = 26,655,113,478.81
  5. Step 5: Solve for x
    x = 26,655,113,478.81/165,217.34
  6. Step 6: Final answer
    x = 161,333.63

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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.