Home / 119,819.34-165,321.16-73,240.45

Finding the Fourth Proportional to 119,819.34, 165,321.16 and 73,240.45

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Solution

The fourth proportional to 119,819.34, 165,321.16 and 73,240.45 is: 101,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,819.34 : 165,321.16 = 73,240.45 : x
  2. Step 2: Convert to fraction form
    119,819.34/165,321.16 = 73,240.45/x
  3. Step 3: Cross multiply
    119,819.34x = 165,321.16 × 73,240.45
  4. Step 4: Simplify right side
    119,819.34x = 12,108,195,556.52
  5. Step 5: Solve for x
    x = 12,108,195,556.52/119,819.34
  6. Step 6: Final answer
    x = 101,053.77

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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.