Home / 165,501.45-248,057.78-76,567.10

Finding the Fourth Proportional to 165,501.45, 248,057.78 and 76,567.10

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Solution

The fourth proportional to 165,501.45, 248,057.78 and 76,567.10 is: 114,760.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,501.45 : 248,057.78 = 76,567.10 : x
  2. Step 2: Convert to fraction form
    165,501.45/248,057.78 = 76,567.10/x
  3. Step 3: Cross multiply
    165,501.45x = 248,057.78 × 76,567.10
  4. Step 4: Simplify right side
    165,501.45x = 18,993,063,223.91
  5. Step 5: Solve for x
    x = 18,993,063,223.91/165,501.45
  6. Step 6: Final answer
    x = 114,760.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.