Home / 165,921.72-248,849.10-47,561.28

Finding the Fourth Proportional to 165,921.72, 248,849.10 and 47,561.28

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Solution

The fourth proportional to 165,921.72, 248,849.10 and 47,561.28 is: 71,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,921.72 : 248,849.10 = 47,561.28 : x
  2. Step 2: Convert to fraction form
    165,921.72/248,849.10 = 47,561.28/x
  3. Step 3: Cross multiply
    165,921.72x = 248,849.10 × 47,561.28
  4. Step 4: Simplify right side
    165,921.72x = 11,835,581,722.85
  5. Step 5: Solve for x
    x = 11,835,581,722.85/165,921.72
  6. Step 6: Final answer
    x = 71,332.32

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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.