Home / 161,826.91-223,316.46-90,205.39

Finding the Fourth Proportional to 161,826.91, 223,316.46 and 90,205.39

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Solution

The fourth proportional to 161,826.91, 223,316.46 and 90,205.39 is: 124,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,826.91 : 223,316.46 = 90,205.39 : x
  2. Step 2: Convert to fraction form
    161,826.91/223,316.46 = 90,205.39/x
  3. Step 3: Cross multiply
    161,826.91x = 223,316.46 × 90,205.39
  4. Step 4: Simplify right side
    161,826.91x = 20,144,348,367.72
  5. Step 5: Solve for x
    x = 20,144,348,367.72/161,826.91
  6. Step 6: Final answer
    x = 124,480.83

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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.