Home / 165,684.04-228,446.10-135,357.64

Finding the Fourth Proportional to 165,684.04, 228,446.10 and 135,357.64

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Solution

The fourth proportional to 165,684.04, 228,446.10 and 135,357.64 is: 186,631.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,684.04 : 228,446.10 = 135,357.64 : x
  2. Step 2: Convert to fraction form
    165,684.04/228,446.10 = 135,357.64/x
  3. Step 3: Cross multiply
    165,684.04x = 228,446.10 × 135,357.64
  4. Step 4: Simplify right side
    165,684.04x = 30,921,924,963.20
  5. Step 5: Solve for x
    x = 30,921,924,963.20/165,684.04
  6. Step 6: Final answer
    x = 186,631.89

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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.