Home / 165,476.34-228,358.35-90,025.38

Finding the Fourth Proportional to 165,476.34, 228,358.35 and 90,025.38

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Solution

The fourth proportional to 165,476.34, 228,358.35 and 90,025.38 is: 124,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,476.34 : 228,358.35 = 90,025.38 : x
  2. Step 2: Convert to fraction form
    165,476.34/228,358.35 = 90,025.38/x
  3. Step 3: Cross multiply
    165,476.34x = 228,358.35 × 90,025.38
  4. Step 4: Simplify right side
    165,476.34x = 20,558,047,234.92
  5. Step 5: Solve for x
    x = 20,558,047,234.92/165,476.34
  6. Step 6: Final answer
    x = 124,235.57

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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.