Home / 165,730.24-228,707.75-90,278.74

Finding the Fourth Proportional to 165,730.24, 228,707.75 and 90,278.74

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Solution

The fourth proportional to 165,730.24, 228,707.75 and 90,278.74 is: 124,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,730.24 : 228,707.75 = 90,278.74 : x
  2. Step 2: Convert to fraction form
    165,730.24/228,707.75 = 90,278.74/x
  3. Step 3: Cross multiply
    165,730.24x = 228,707.75 × 90,278.74
  4. Step 4: Simplify right side
    165,730.24x = 20,647,446,475.07
  5. Step 5: Solve for x
    x = 20,647,446,475.07/165,730.24
  6. Step 6: Final answer
    x = 124,584.67

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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.