Home / 165,601.92-228,530.62-90,150.40

Finding the Fourth Proportional to 165,601.92, 228,530.62 and 90,150.40

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Solution

The fourth proportional to 165,601.92, 228,530.62 and 90,150.40 is: 124,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,601.92 : 228,530.62 = 90,150.40 : x
  2. Step 2: Convert to fraction form
    165,601.92/228,530.62 = 90,150.40/x
  3. Step 3: Cross multiply
    165,601.92x = 228,530.62 × 90,150.40
  4. Step 4: Simplify right side
    165,601.92x = 20,602,126,805.25
  5. Step 5: Solve for x
    x = 20,602,126,805.25/165,601.92
  6. Step 6: Final answer
    x = 124,407.54

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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.