Home / 119,534.91-164,958.17-65,819.79

Finding the Fourth Proportional to 119,534.91, 164,958.17 and 65,819.79

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Solution

The fourth proportional to 119,534.91, 164,958.17 and 65,819.79 is: 90,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,534.91 : 164,958.17 = 65,819.79 : x
  2. Step 2: Convert to fraction form
    119,534.91/164,958.17 = 65,819.79/x
  3. Step 3: Cross multiply
    119,534.91x = 164,958.17 × 65,819.79
  4. Step 4: Simplify right side
    119,534.91x = 10,857,512,149.32
  5. Step 5: Solve for x
    x = 10,857,512,149.32/119,534.91
  6. Step 6: Final answer
    x = 90,831.31

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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.