Home / 165,362.38-228,195.90-93,742.40

Finding the Fourth Proportional to 165,362.38, 228,195.90 and 93,742.40

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Solution

The fourth proportional to 165,362.38, 228,195.90 and 93,742.40 is: 129,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,362.38 : 228,195.90 = 93,742.40 : x
  2. Step 2: Convert to fraction form
    165,362.38/228,195.90 = 93,742.40/x
  3. Step 3: Cross multiply
    165,362.38x = 228,195.90 × 93,742.40
  4. Step 4: Simplify right side
    165,362.38x = 21,391,631,336.16
  5. Step 5: Solve for x
    x = 21,391,631,336.16/165,362.38
  6. Step 6: Final answer
    x = 129,362.14

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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.