Home / 109,819.69-164,746.61-38,751.77

Finding the Fourth Proportional to 109,819.69, 164,746.61 and 38,751.77

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Solution

The fourth proportional to 109,819.69, 164,746.61 and 38,751.77 is: 58,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,819.69 : 164,746.61 = 38,751.77 : x
  2. Step 2: Convert to fraction form
    109,819.69/164,746.61 = 38,751.77/x
  3. Step 3: Cross multiply
    109,819.69x = 164,746.61 × 38,751.77
  4. Step 4: Simplify right side
    109,819.69x = 6,384,222,739.00
  5. Step 5: Solve for x
    x = 6,384,222,739.00/109,819.69
  6. Step 6: Final answer
    x = 58,133.68

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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.