Home / 165,433.50-248,174.88-76,695.97

Finding the Fourth Proportional to 165,433.50, 248,174.88 and 76,695.97

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Solution

The fourth proportional to 165,433.50, 248,174.88 and 76,695.97 is: 115,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,433.50 : 248,174.88 = 76,695.97 : x
  2. Step 2: Convert to fraction form
    165,433.50/248,174.88 = 76,695.97/x
  3. Step 3: Cross multiply
    165,433.50x = 248,174.88 × 76,695.97
  4. Step 4: Simplify right side
    165,433.50x = 19,034,013,151.23
  5. Step 5: Solve for x
    x = 19,034,013,151.23/165,433.50
  6. Step 6: Final answer
    x = 115,055.37

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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.