Home / 108,890.52-163,336.61-30,009.07

Finding the Fourth Proportional to 108,890.52, 163,336.61 and 30,009.07

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Solution

The fourth proportional to 108,890.52, 163,336.61 and 30,009.07 is: 45,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,890.52 : 163,336.61 = 30,009.07 : x
  2. Step 2: Convert to fraction form
    108,890.52/163,336.61 = 30,009.07/x
  3. Step 3: Cross multiply
    108,890.52x = 163,336.61 × 30,009.07
  4. Step 4: Simplify right side
    108,890.52x = 4,901,579,763.05
  5. Step 5: Solve for x
    x = 4,901,579,763.05/108,890.52
  6. Step 6: Final answer
    x = 45,013.83

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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.